Cellular respiration is a series of metabolic reactions in which the energy from organic molecules, such as glucose, is released and used to synthesize energy in the form of ATP.
The chemical reaction that converts glucose and oxygen into water, carbon dioxide, and ATP energy is known as cellular respiration. Oxygen and glucose are the reactants in the process, and the products are water, carbon dioxide, and energy (ATP). Therefore, we can say that cellular respiration is a series of metabolic reactions that is used to synthesize ATP.
The controlled release of energy from organic substances during cell respiration results in the production of ATP. ATP, adenosine triphosphate, is required in every kind of bodily reactions and to conduct various body functions. Mitochondria is the primary site of ATP synthesis in a cell. These organelles consume glucose to convert it into energy molecules and other by-products.
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The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called _____.
The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called Stimulus generalization.
The capacity to act in a new situation according to a strategy learned in earlier, analogous circumstances is known as stimulus generalization. The challenge is figuring out which elements of the learning circumstances should be applied to all situations.
When an organism's response that was previously conditioned by one stimulus can then be elicited by another stimulus that shares the same properties, this phenomenon is known as stimulus generalization. A conditioned stimulus is a stimulus that may potentially cause a conditioned response. The ringing of the bell served as both the conditioned stimulus and the conditioned response in the experiment as described. It's crucial to understand that the neutral stimulus changes into the conditioned stimulus.
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someone pls help me with this
Answer:
A
Explanation:
Answer:
(a) ATP , Carbon dioxide
Which organism from the video is the least useful for relative dating?
answer: scallop
this is possibly because scallops are still common vs. any other option that was prehistoric [ferns, trilobite, dino, sycamore leaf]
The organism that is least useful for the process of relative dating: scallop.
Relative dating is a technique or method in Geology that is deployed in order to ascertain the relative sequence of events that have occurred in the pasts. Relative dating is helpful as it can tell about the relative order of past events without the estimation of their absolute age. Relative dating techniques help in determining the relative age of a particular item of interest in comparison to other objects found at a particular site.
The question is incomplete. The complete question is:-
Which organism from the video is the least useful for relative dating?
Hints:-
sycamore leaf
scallop
dinosaur
fern
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atrazine and the electron transport chain atrazine is one of the most widely used agricultural pesticides. atrazine kills plants by binding to a component of the electron transport chain on the thylakoid membrane on photosystem ii. atrazine prevents electrons from passing along the electron transport chain causing all downstream electron carriers to stay in an oxidized form (lodish, 2004.) the major claim of atrazine is that atrazine prevents electron flow in photosystem ii. how could you test this idea that atrazine affects electron flow in the photosystems and not the calvin cycle?
Photosynthesis function to absorb light and use electron transport chains to convert energy. The Calvin cycle reactions assemble carbohydrate molecules with this energy.
Photosynthesis use electron transport chains to convert energy while absorbing light. With this energy, the Calvin cycle reactions put carbohydrate molecules together.
Photosynthesis definition?
Given that the fundamental process has changed little throughout the course of time, all photosynthetic species have a strikingly similar evolutionary history.
The method and elements of photosynthesis that use water as an electron donor are generally the same in all forms of photosynthesis, including the enormous tropical leaves in the rain forest and small cyanobacteria.
Photosynthesis use electron transport chains to convert energy while absorbing light. With this energy, the Calvin cycle reactions put carbohydrate molecules together.
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Mutations can be beneficial, neutral, or harmful in an organism, changing their fitness in a population. which of these scenarios model how mutations can be detrimental to an organism ? select all that apply
Mutations can be categorized into three main groups based on how they affect fitness: the "good" or advantageous mutations that improve fitness, the "bad" or deleterious mutations that reduce fitness, and the "indifferent" or the neutral mutations are usually remain unaffected by selection because their effects are very small
One of the primary mechanisms driving the evolution is mutation, it increases population variability and promotes the evolutionary changes . For instance,
the consequences of mutations frequently depend on other mutations present or absent their effects can also depend on the environment the fate of mutations may depend on size and structure of population, which can severely limit the ability of selection to discriminate among the three types (making all seem nearly ‘indifferent’)mutations' fate can also be depend on fate of others that have more pronounced effects and are in close proximity on the same chromosome.To this purpose, we should take into account a variety of molecular and phenotypic characteristics of evolution and the extant populations, and ask how these characteristics may get described in terms of mutational rates and types, as well as how they are impacted by factors that are going to determine their futures.
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pls help
What part of the brain is the arrow pointing to in the diagram below?
Pituitary gland
Cerebrum
Cerebellum
Cerebral cortex
methotrexate is a drug that can inhibit cell division by preventing the synthesis of purine bases. cells treated with methotrexate arrest at a particular stage of the cell cycle. q5.12 points during which stage of the cell cycle would you expect cells treated with methotrexate to arrest? briefly explain your reasoning in 1-2 sentences.
Methotrexate arrest cells at the late S-phase of the cell cycle.
Since methotrexate arrests cells in the late S-phase of the cell-progressive cycle, which is when DNA synthesis is occurring and they exhibit no discernible increase in DNA content, and no M-phase occurs, the outcomes of the methotrexate treatment may be more comparable to those shown for other treatments.
These traits may be seen in the graph of the cells treated with medication A, where a rise in x indicates that DNA synthesis is occurring while a drop in 2 indicates that no M-phase, or mitotic phase, is occurring.
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How does reproductive isolation and extinction connected?
Answer:
Reproductive isolation is defined as processes that prevent individuals of different populations from mating, survival or producing fertile offspring. Reproductive isolation is critical for driving speciation and maintaining species identity,
Explanation:
isolation is known to contribute to divergent evolution, resulting in unique phenotypes. Oftentimes morphologically distinct populations are found to be interfertile while reproductive isolation is found to exist within nominal morphological species revealing the existence of cryptic species. These disparities can be difficult to predict or explain especially when they do not reflect an inferred history of common ancestry which suggests that environmental factors affect the nature of ecological divergence. A series of laboratory experiments and observational studies were used to address what role biogeographic factors may play in the ecological divergence of Hyalella amphipods. It was found that geographic isolation plays a key role in the evolution of reproductive isolation and divergent morphology and that divergence cannot be explained by molecular genetic variation.
PLSSS HELP IF YOU TURLY KNOW THISS
B. Spore
Spores are unicellular, surrounded by layers of membrane to resist high temperatures, and other environmental factors.
Answer:
B. Spore
Explanation:
Spores are typically single-celled (haploid) and have thick walls so that they can resist high temperatures, humidity, and other environmental conditions.
HalpbutIDontActuallyNeedHalp;) *Provided in pictureee*
Brainliest if you my bestieeeeeeee
Answer:
Lysosome
Explanation:
Answer: Lysosome - Found only in animal
Consists of one sugar, one base and 2 phosphates what is it
Answer:
Sugar phosphate backbone of DNA
Explanation:
which human activity is least likely to be a major threat to marine systems? group of answer choices habitat destruction from coastal development runoff of nonpoint source pollution overfishing sinking of ships to create artificial reefs invasive species introduced by humans
Human entertainment is least likely to pose the greatest threat to marine systems. Overfishing and sinking ships to create artificial coral reefs
Marine biology is the study of marine organisms, their behavior, and their interactions with the environment. Marine biologists discover marine life by studying chemistry, physics, and geological oceanography related to biological oceanography. Seafood or clam shells like our bodies; marine engines generated by the action of ocean currents or waves; with marine sediments.
Marine biologists don't have that kind of immersion now. Many roles are performed in the laboratory or on the job site, and fieldwork regularly includes research that may be performed on a boat or on the shore. You don't even need to understand how to swim! Of course, it is very interesting to have underwater next to the animal you are analyzing. Marine and aquatic biology is the study of marine and freshwater organisms, their behavior, and their interactions with the environment. Marine and aquatic biology is a sub-discipline of oceanography and biology.
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If you found the same gene in all organisms you test, what does this suggest about the evolution of this gene in the history of life on earth
Answer:
This suggests that the gene has probably not evolved in the history of life on earth and probably has been present for many generations.
which is not a similarity between glycogen and amylopectin? which is not a similarity between glycogen and amylopectin? each has one reducing end and many nonreducing ends. each has branches of similar chain length. they each contain about 6000 glucose residues. each is highly branched.
Answer:
Amylopectin is an insoluble form of starch
Explanation:
Amylopectin is an insoluble form of starch
the human immunodeficiency virus (hiv) uses rna, rather than dna, to encode genetic information. during infection, however, hiv uses an enzyme known as reverse transcriptase to generate double-stranded dna. generally speaking, how would the enzyme generate a double strand of dna from a single strand of rna?
In order to create a second strand of DNA that is complementary to the first one, reverse transcriptase first catalyzes the synthesis of a DNA copy from the viral RNA.
What is DNA?Single-stranded RNA is transformed into DNA by the DNA polymerase enzyme reverse transcriptase (RT), also known as RNA-dependent DNA polymerase. This enzyme can produce a double helix DNA after the RNA has been reverse transcribed in a first step into a single-strand DNA.Transcription is the first step in gene expression. The DNA sequence of a gene needs to be duplicated in order to produce an RNA molecule. Transcription is carried out by RNA polymerases, which combine nucleotides to form an RNA strand.The process of producing RNA from the genetic material found in DNA is called transcription. RNA polymerases, which combine nucleotides to make an RNA strand, carry out transcription.In order to create a second strand of DNA that is complementary to the first one, reverse transcriptase first catalyzes the synthesis of a DNA copy from the viral RNA.To learn more about DNA refer to:
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BRAINIEST IF CORRECT What is the ER most like in the cell
A) A factory because it makes proteins
B) A gate because it lets things in and out of the cell
C) The brain because it has the instructions and the genetic material
D) A highway with trucks because it transports molecules
Answer:
D) A highway with trucks because it transports molecules
Explanation:
Molecules, such as proteins, are transported from the ER in small sacs called transport vesicles to their proper destinations, much like on an intracellular highway.
in order for molecule x to cross the plasma membrane of a cell, it must first bind to an integral membrane protein. the binding of molecule x to the integral membrane protein immediately causes a conformational change to the integral membrane protein, which exposes molecule x to the other side of the membrane where it is then released. what is this an example of? neutral transport active transport passive transport
This is an example of passive transport ( Facilitated Diffusion).
A type of membrane transport called passive transport moves materials across cell membranes without the use of energy. Active transport uses cellular energy to transfer materials across cell membranes, whereas passive transport uses the second law of thermodynamics.
A form of passive transport is facilitated transport. In contrast to simple diffusion, when substances flow across a membrane without the aid of membrane proteins, substances diffuse over the plasma membrane in aided transport, also known as facilitated diffusion.
Permeases are membrane transport proteins that bind to many substrates, including galactose, fructose, and glucose, for example. This binding causes the transmembrane permease domains to alter conformation, enabling passive transport of the substrate across the membrane.
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what would be the overall yield to produce a four-base dna strand by solid-phase synthesis if each coupling reaction had a yield of 90% and all protection/deprotection reactions had 100% yields (rounded to the nearest percent)?
To nearest percent, the overall yield is or 66% which is needed to produce a four-base dna strand by solid-phase synthesis if each coupling reaction had a yield of 90% and all protection/deprotection reactions had 100% yields .
N-protected arginine (R) residue is initially attached to resin with its C-terminal during the solid phase production of KAVR. Deprotected arginine's amino terminus undergoes interaction with N-protected valine (V). The N-protected dipeptide is also deprotected and couples with N-protected alanine (A). In order to create an N-protected tetrapeptide, the N-protected tripeptide that was previously created must be deprotected.
The tetrapeptide is liberated from the resin after being deprotected.There are therefore a total of four coupling reactions with 90% yields.Thus, the overall yield is 65.6% (66%), or 90%*90%*90%*90%.Here is another question with an answer similar to this about coupling reaction: https://brainly.com/question/28098538
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A petri dish contains one yeast cell whose nucleus contains 24 chromosomes. After the cell undergoes one round of its cell cycle, it will contain __ cells, each with ___ chromosomes.
A petri dish contains one yeast cell whose nucleus contains 24 chromosomes. After the cell undergoes one round of its cell cycle, it will contain 48 cells, each with 24 chromosomes.
What is the Cell cycle?The cell cycle may be defined as the entire sequence of events happening from the termination of one nuclear division to the initiation of the next in a series of steps.
It is known that a yeast cell undergoes mitotic cell division. In mitosis, each parental cell produces two daughter cells with identical genetic material in each of them. So, the amount of chromosomes remains the same, i.e. 24 but the cell number increase twice.
Therefore, after the cell undergoes one round of its cell cycle, it will contain 48 cells, each with 24 chromosomes.
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what makes this chart a climate representation and not one that shows the weather
A climate graph is a chart that displays the typical weather for a specific time period and area. A bar graph is used to display the amount of precipitation, while a line graph is used to display the temperature.
What is climate graph?Climate graphs display the typical levels of precipitation and temperature for a location. A line graph displays the temperature, while a bar graph displays the amount of rainfall. The months of the year run down the base of the representation, which is often on the same set of axes.
Why is a climate graph important?Scientists and meteorologists use climate graphs to determine long-term averages over a 12-month period. As a result, climate graphs are effective at illuminating a location's seasonal climate but are not a very excellent source for specifics about the location's climate.
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think about the dna coding sequence of a gene. if an a were swapped for a t, what kind of mutation could it cause and why? think about the dna coding sequence of a gene. if an a were swapped for a t, what kind of mutation could it cause and why?
The DNA coding sequence of a gene. if an a were swapped for a t, what type of mutation may want: ought to purpose a silent, missense, or nonsense mutation because those are the kinds that may be a result of a nucleotide-pair substitution like this one.
Deoxyribonucleic acid is a polymer composed of polynucleotide chains that coil around every different to shape a double helix sporting genetic commands for the development, functioning, increase and reproduction of all known organisms and plenty of viruses. DNA and ribonucleic acid are nucleic acids.
DNA is the facts molecule. It stores commands for making different huge molecules, known as proteins. those commands are stored inside each of your cells, disbursed among forty-six lengthy systems referred to as chromosomes. those chromosomes are made from hundreds of shorter segments of DNA, known as genes.
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The DNA coding sequence of a gene. if an a were swapped for a t, option D. It could cause a silent, missense, or nonsense mutation because those are the types that can be caused by a nucleotide-pair substitution like this one.
Human genomes consist of both protein-coding DNA sequences and diverse styles of DNA that don't encode proteins. The latter is a diverse class that includes DNA coding for non-translated RNA, which include that for ribosomal RNA, transfer RNA, ribozymes, small nuclear RNAs, and numerous varieties of regulatory RNAs.
Non-coding DNA corresponds to the quantities of an organism's genome that do not code for amino acids, the building blocks of proteins. a few non-coding DNA sequences are acknowledged to serve useful roles, inclusive of inside the regulation of gene expression, whilst different regions of non-coding DNA don't have any regarded characteristic.
The principle distinction between coding and noncoding DNA is that coding DNA represents the protein-coding genes, which encode proteins, while noncoding DNA no longer encodes proteins.
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Disclaimer:- your question is incomplete, please see below for the complete question.
Think about the DNA coding sequence of a gene. if an a were swapped for a t, what kind of mutation could it cause and why?
a. It could cause a frameshift nonsense or frameshift missense mutation because it would change the reading frame of the codon triplet.
b. It could cause a nonsense mutation because the sequence would no longer be the same, so the protein would be shorter and non-functional.
c. It could cause a silent mutation because A and T are complementary to each other so it is not really a substitution mutation.
d. It could cause a silent, missense, or nonsense mutation because those are the types that can be caused by a nucleotide-pair substitution like this one.
penicillin is an antibiotic that kills bacteria by binding to the active site of an enzyme involved in synthesis of the bacterial cell wall. which of the following phenomena best describes the mechanism of action of penicillin? penicillin is an antibiotic that kills bacteria by binding to the active site of an enzyme involved in synthesis of the bacterial cell wall. which of the following phenomena best describes the mechanism of action of penicillin? noncompetitive inhibition competitive inhibition allosteric regulation feedback inhibition
The phenomenon that best describes the mechanism of action of penicillin is competitive inhibition.
In the field of biology, competitive inhibition can be described as a phenomenon in which a molecule that is similar to the actual substrate binds to the active site rather than the actual substrate. As the actual substrate and the molecule are similar hence they both can fit into the active site.
The antibiotic, penicillin, uses this phenomenon to kill the bacteria. The components of the antibiotic bind to an active site for the enzyme that is responsible for making the cell wall of the bacteria.
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using the key choices, characterize the following statements relating to long bones. enter the appropriate term(s) or letter(s) in the answer blanks. key choices: diaphysis c. epiphysis e. yellow marrow cavity epiphyseal plate d. red marrow
Epiphysis, Diaphysis, Red marrow, Diaphysis, Yellow membrane cavity, epiphyseal plate are the characteristics of the long bone.
Long bones are tough, dense bones that offer stability, movement, and strength. The femur, or thigh bone, is a long bone. A long bone has two ends and a shaft. Despite their small lengths, some of the fingers bones are categorized as long bones.
The characters of long bones are:
Epiphysis is the Site of spongy bone in adult.Diaphysis is the Site of compact bone in the adult.Red marrow is the Site of hematopoiesis in the adult bone.Diaphysis is the Scientific name for bone shaft.Yellow membrane cavity is the Site of fat storage in the adult.Epiphyseal plate is the site of longitudinal growth in a child.To know more about bones visit the link:
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The b allele is dominant to the b allele. If two heterozygotes mate, what is the probability that the offspring will also be heterozygous.
The genotype ratio that should result from the cross of two heterozygotes is 1 (homozygous dominant): 2 (heterozygous): 1. (homozygous recessive).
Is BB homozygous recessive, heterozygous, or homozygous dominant?A homozygous dominant genotype is characterised by the presence of two dominant alleles for a characteristic in an organism. This genotype is designated as BB using the example of eye colour. A heterozygous genotype is one in which an organism possesses both a dominant and a recessive gene. This genotype is designated as Bb in our example.
The phenotypes of AA and Aa individuals are identical in total dominance. In incomplete dominance, the phenotype in a heterozygous person is noticeably less pronounced than it is in a person who is homozygous for the dominant allele, resulting in distinct phenotypes for the AA and Aa genotypes.
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. which of the following correctly identify which organs develop from different embryonic tissue layers in a frog? liver develops from endoderm, nerves develops from mesoderm, muscles develop from ectoderm brain develops from endoderm, heart develops from mesoderm, epidermis develops from ectoderm liver develops from endoderm, heart develops from mesoderm, brain develops from ectoderm notochord develops from endoderm, liver develops from mesoderm, eye lens develops from ectoderm
The following correctly identifies which organs develop from different embryonic tissue layers in a frog is Gastrula.
The ectoderm gives rise to the nervous system and epidermal skin cells the mesoderm gives rise to the muscle cells and connective tissue in the body, and the endoderm gives rise to the digestive system and other internal organs. The fertilized egg becomes a hard ball of cells increase. It then becomes a hollow ball of cells called a blastocyst In the uterus the blastocyst nests in the uterine wall.
Attaches to the placenta and develops into an embryo surrounded by a fluid-filled membrane. Gastrulation is defined as an early developmental process in which the embryo transforms from a one-dimensional layer of epithelial cells and reorganizes into a multilayered and multidimensional structure called the gastrula. Cotyledons are the primary cell layer formed during embryonic development.
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a common inhabitant of human intestines is the bacterium escherichia coli. a cell of this bacterium in a nutrient-broth medium divides into two cells every 20 minutes. the initial population of a culture is 52 cells. find the relative growth rate. (assume t is measured in hours.)
Relative growth rate of the bacterium will be k=ln8
E. coli: Escherichia coli, more commonly referred to as just E. coli, is well-known for causing severe human illness, but there are only a few strains. The majority of strains are harmless and naturally occur in the human intestine.
From the equation: [tex]p(t) = p_{o} e^{kt}[/tex]
[tex]\\p_{o} = 52, t= 20 min = \frac{20}{60} hr = \frac{1}{3} hr.[/tex]
To find Relative growth:
[tex]\frac{p(t)}{p_{o} } = 2[/tex] at [tex]t= \frac{1}{3} hr\\[/tex] (as cell divide into 2 in first 20 min)
[tex]2= e^{\frac{k}{3} } , ln2= \frac{k}{3}[/tex]
therefore, k= ln8
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reductive evolution is the choose one: a. loss or mutation of dna encoding unselected traits. b. evolutionary decrease in body size of organisms over time. c. decrease in species number over time due to extinction. d. opposite of oxidative evolution.
Reductive evolution is the a. loss or mutation of DNA encoding unselected traits.
In the field of biology, reductive evolution can be described as an evolution in which microorganisms have the capability to delete certain genes from their genomes.
As a result of reductive evolution, the DNA becomes downsized as a part of DNA is lost.
Reductive evolution is a degenerative kind of evolution by which genes for unselected traits are removed.
In microorganisms, this process usually occurs when the microorganism is engulfed by a predator or when a microorganism is living in a restrictive state.
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What piece controls the amount of light that enters
the microscope ?
Trans fats are made by a process of adding hydrogen atoms to an unsaturated fatty acid, making them more saturated. What is this process called?.
The process of hydrogenation, which increases an unsaturated fatty acid's saturation by adding hydrogen atoms, produces trans fats.
What is an unsaturated fatty acid example?Alpha-linolenic acid, myristoleic acid, palmitoleic acid, sapienic acid, oleic acid, elaidic acid, vaccenic acid, linoleic acid, linoelaidic acid, erucic acid, docosahexaenoic acid, and eicosapentaenoic acid are a few examples of unsaturated fats.
What components make up an unsaturated fatty acid?Unsaturated fatty acids (UFAs), which are divided into monounsaturated fatty acids and polyunsaturated fatty acids, are long-chain hydrocarbons with at least one double covalent bond and an end in a carboxyl group (-COOH). Both of these types of UFAs provide significant health benefits for people.
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What inference is best supported by the data in the graph?
Answer:
not enough info
Explanation:
