The correct answer is C. Albertosaurus. Albertosaurus is the most closely related species to Tyrannosaurus rex, as they are both members of the same family, the Tyrannosauridae. Archaeopteryx and Ostriches are members of different families and are not as closely related as Albertosaurus.
The trait that evolved last on the "one small step" phylogeny is strong armlike bones. This trait evolved after digits, eyes on top of a flat head, and other traits before it.
The trait that evolved last on the "one small step" phylogeny is strong armlike bones. This trait evolved after digits, eyes on top of a flat head, and other traits before it, such as the ability to grasp objects, the formation of joints, and the development of a musculoskeletal system.
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How do chemosyntheic bacteria get energy?
Unlike plants, they don't use photosynthesis to make energy; instead, they oxidize inorganic molecules. For the production of the organic substances necessary for their survival, chemosynthetic bacteria use inorganic molecules such ammonia, molecular hydrogen, sulphur, hydrogen sulphide, and ferrous iron.
what is chemosyntheic?Chemosynthesis, in the context of biochemistry, is the biological conversion of one or more carbon-containing molecules and nutrients into organic matter using the oxidation of inorganic substances or ferrous ions as a source of energy as opposed to sunlight, as is the case with photosynthesis.
what are inorganic?Typically, an inorganic compound is one that does not contain carbon-hydrogen bonds, i.e., one that is not an organic compound. Inorganic chemistry is a branch of chemistry that focuses on the study of inorganic substances.
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When using the absolute method to assess muscular endurance you should adjust the weight?
Yes, the weight should be adjusted to ensure that the individual can complete the desired number of repetitions. The weight should be adjusted to a level that is challenging but achievable for the individual.
Because it is important to ensure that the individual is able to perform the exercise with proper form and technique. If the weight is too heavy, the individual may not be able to complete the desired number of repetitions, or they may be forced to use improper form and technique in order to complete the exercise. This can lead to injury and can also reduce the effectiveness of the exercise.
On the other hand, if the weight is too light, the individual may not be challenged enough to make progress and may become bored with the exercise. Therefore, it is important to adjust the weight to ensure that the individual can complete the desired number of repetitions with proper form and technique.
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Which of following is a
benefit of sexual
reproduction?
A. difficulty finding mate
C. long gestation periods
B. genetic variation
D. identical offspring
Answer:
b) Genetic variation
Explanation:
The best benefit of sexual reproduction is genetic variation. It shows more variations than asexual reproduction and makes the offspring more suitable for the surrounding. Hence, the option (b) is correct.
Certain diuretics block the effects of carbonic anhydrase, an enzyme that aids in the reabsorption of bicarbonate ions. What will happen to the pH of blood if this were to occur
The pH of blood will decrease hence become more acidic.
There will be a increase in loss of bicarbonate ions in urine leading to metabolic acidosis. The H+ ions that reached the lumen combine with the filtered HCO3+ ions to form carbonic acid in the lumen, and this breaks down into water and Carbon IV Oxide with the help of the enzyme carbonic anhydrase present on the luminal side of the brush border cell. Carbon IV oxide diffuses back into the cell, and water is reabsorbed via aquaporin-1 channels into the cell, both of which combine to form hydrogen bicarbonate with the help of cellular carbonic anhydrase, which further catalyzes them to form HCO3+ and H+ ions inside the cells. Almost 80% of filtered HCO3+ is reabsorbed in the proximal tubule cells in this way and exits the basolateral membrane along with Na+ (that entered via NHE3 channels) through the Na+/HCO3+ co-transporter . The renal reabsorption of HCO3+ and secretion of H+ ions play an important role in acid-base homeostasis and the steady maintenance of pH in the body
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Dna is coded to rna, which must travel from the nucleus to the cytoplasm to be read. Why does the cell need to transcribe the dna into rna rather than copying the dna directly?.
The reason why the cell needs to transcribe the DNA into RNA rather than copying the DNA directly is because RNA is chemically more stable than DNA.
The process of transcribing DNA into RNA also helps to protect the genetic information, as the transcribed RNA molecules are more easily modified and processed than the original double-stranded DNA. This means that the genetic information can be more accurately and efficiently translated into proteins.
Another advantage of transcription is that it allows for the generation of more than one type of RNA molecule from a single gene. Different types of RNA molecules can be created from the same gene, depending on the type of protein that the cell needs to produce. This helps to ensure that the cell has the right type of proteins at the right time, allowing it to function correctly.
Finally, transcribing DNA into RNA helps to regulate gene expression. Some genes are only needed at certain times, and by controlling the transcription of the DNA the cell can ensure that the gene is only expressed when it is needed.
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In aerobic respiration, chemiosmotic generation of ATP is driven by:
a. P_ transfer through the plasma membrane.
b. the Na^+/K^+ pump.
c. a difference in H^+ concentration on the two sides of the inner mitochondrial membrane.
d. osmosis macromolecules.
e. large quantities of ADP
In aerobic respiration, chemiosmotic generation of ATP is driven by a difference in H^+ concentration on the two sides of the inner mitochondrial membrane. Option C
You just read about two glucose catabolism mechanisms that produce ATP: glycolysis and the citric acid cycle. However, the majority of the ATP produced during the aerobic breakdown of glucose does not come from these mechanisms. Instead, it results from a procedure that starts with the transfer of electrons through a series of chemical events to an ultimate electron acceptor, oxygen.
Both eukaryotic organisms' mitochondrial inner membranes and prokaryotic organisms' inner cell membranes contain specific protein complexes where these processes occur. A gradient of electrochemistry is produced across the inner mitochondrial membrane by harnessing the energy of the electrons. ATP is produced using the potential energy of this gradient.
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An individual ribosome can be seen with a fluorescence microscope. This statement is:O trueO false O impossible to determine
This statement is true that An individual ribosome can be seen with a fluorescence microscope.
'What is fluorescence microscope?'
The imaging of specific features of tiny objects, such as microorganisms, is frequently done using fluorescent microscopy. At smaller scales, it is also utilized to visually improve 3-D features. This can be achieved by adding fluorescent tags to antibodies that bind to the desired features or by less precise labeling. The targeted areas of a given sample can be seen in this sort of microscopy by filtering out the background fluorescence and reflected light. This enables a researcher to see specific organelles or distinctive surface features of a sample of interest. The most frequent application of confocal fluorescence microscopy is to highlight the 3-D nature of samples.
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Most treatments provided in the prehospital setting are intended to _________. Select one: A. address the patient's symptoms B. confirm the patient's diagnosis C. correct the patient's underlying problem D. reduce the need for transport to the hospital
Answer:C
Explanation:
what macromolecules are in romaine lettuce and how does it help the body's cells?
the way that proteins fold into beta pleated sheets and alpha helices is dependent on their _____.
Which bone articulates with the distal end of metacarpal II?
A. proximal end of metacarpal I
B. distal end of metacarpal III
C. proximal end of proximal phalanx II
D. proximal end of distal phalanx II
E. proximal end of middle phalanx II
The correct answer is C. Proximal end of proximal phalanx II. The proximal end of proximal phalanx II articulates with the distal end of metacarpal II.
Metacarpal II is one of the five metacarpal bones that make up the palm of the hand and is located between the thumb and the index finger. The proximal end of proximal phalanx II is the end closest to the hand, and the distal end is closest to the fingertip. The proximal end of metacarpal I, distal end of metacarpal III, proximal end of distal phalanx II, and proximal end of middle phalanx II all do not articulate with the distal end of metacarpal II.
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100 POINTS AND BRAINLIEST IF RIGHT
Directions - Place the capital letter of each statement IN ORDER to explain how your body does protein synthesis.
A. The transfer RNA is sent to retrieve the amino acid its anticodon allows.
B. The ribosome will continue making peptide bonds until it reaches a STOP codon
C. Once the RNA is complete it leaves the nucleus and goes to the ribosome.
D. The ribosome reads to mRNA one codon at a time.
E. The DNA’s hydrogen bonds break but ONLY where the codons for the protein needed are found.
F. The protein is delivered to wherever it is needed in the body.
G. Once the transfer RNA returns to the ribosome, it waits its turn to release its amino acid.
H. The ribosome bonds one amino acid to the next, in order, with peptide bonds.
I. Free-floating RNA nucleotides fill in on one side of the DNA molecule.
The forecast order for the protein synthesis include:
C. Once the RNA is complete it leaves the nucleus and goes to the ribosome.
E. The DNA’s hydrogen bonds break but ONLY where the codons for the protein needed are found.
I. Free-floating RNA nucleotides fill in on one side of the DNA molecule
D. The ribosome reads to mRNA one codon at a time.
G. Once the transfer RNA returns to the ribosome, it waits its turn to release its amino acid.
A. The transfer RNA is sent to retrieve the amino acid its anticodon allows.
H. The ribosome bonds one amino acid to the next, in order, with peptide bonds.
B. The ribosome will continue making peptide bonds until it reaches a STOP codon
F. The protein is delivered to wherever it is needed in the body.
What is protein synthesis?Cells create proteins through a process known as protein synthesis. Transcription and translation take place simultaneously. The conversion of genetic information from DNA to mRNA in the nucleus is known as transcription. Initiation, elongation, and termination are its three stages.
Creating a polypeptide, or protein made of a chain of amino acids, is the sole goal of protein synthesis. a hair follicle cell produces keratin, a protein. In this case, the correct order is Illustrated above.
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a muscle that controls the diameter of an opening is a ________ muscle.
Answer:Circular
Explanation:
the proximal nail fold projects onto the nail body as the __________.
Part A: Research a Forest
Use credible resources to research the type of forest you chose and address these questions:
Where is this forest located?
What is the climate of this region?
What types of plants and animals live there?
Why is deforestation of this region a threat?
Is deforestation currently occurring in this region? If so, what is the primary cause?
Write a paragraph that answers the questions.
a mild degree of pain releases the neurotransmitter ____. a more intense pain also releases ____.
A mild degree of pain releases the neurotransmitter glutamate a more intense pain also releases substances P.So,correct option is A.
A neurotransmitter is a flagging particle discharged by a neuron to influence one more cell across a neurotransmitter. The phone getting the sign, any principal body part or target cell, might be another neuron, yet could likewise be an organ or muscle cell.
In neuroscience, glutamate alludes to the anion of glutamic corrosive in its job as a synapse: a substance that nerve cells use to convey messages to different cells. It is overwhelmingly the most plentiful excitatory synapse in the vertebrate anxious system.[1] It is involved by each major excitatory capability in the vertebrate cerebrum, bookkeeping altogether for well more than 90% of the synaptic associations in the human mind. It additionally fills in as the essential synapse for some limited mind districts, like cerebellum granule cells.
Substance P (SP) is an undecapeptide (a peptide made out of a chain of 11 amino corrosive buildups) and an individual from the tachykinin neuropeptide family. ... Substance P coincides with the excitatory neurotransmitter glutamate in essential afferents that answer excruciating feeling.
Hence, correct option is A.
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(Complete question) is:
A mild degree of pain releases the neurotransmitter ____. A more intense pain also releases ____.
A.glutamate; substance P
B.GABA; substance P
C.glutamate; dopamine
D.GABA; dopamine
__________ foragers tend to be found in harsher environments while __________ are more likely to live in rich environments
Generalist foragers tend to be found in harsher environments, while specialists are more likely to live in rich environments.
Adaptability of Foragers: Generalists in Harsh Environments and Specialists in Rich OnesGeneralist foragers are those who take advantage of a wide variety of food sources and are able to adapt to different environmental conditions. They tend to be found in harsher environments where resources may be scarce and unpredictable. On the other hand, specialists are those who focus their foraging efforts on a single type of food source and are able to exploit that resource in a more efficient manner. Specialists are more likely to live in rich environments where their specific food source is more readily available. Generally speaking, generalists are able to survive in a wider variety of conditions, while specialists do best when their particular food source is abundant.
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What is the function of the “R group” in a protein?
The specialized structures of different types of cells are related to the cell's.
The specialized structures of different types of cells are related to the cell's 1. function.
According to cell theory, Cells are the building blocks of all life. They organize the fundamental idea behind a large number of life forms. The primary components of the life form that are able to provide support and design are the cell wall and the cell film. For eg., The skin is made up of a lot of different cells.
The parent cell divides into the girl cells during the period of mitosis. The cells replicate in this manner and participate in a creature's development.
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(complete question)
The specialized structures of different types of cells are related to the cell's
1. function
2. equilibrium
3. energy
4. homeostasis
Scientists study the distribution of
fossils, rocks, and continental shapes in order to understand the
movement of
lithosphere
Otectonic plates
Osubduction
basins
following
*5 F
The plates that make up the crust of the Earth move over time. Where the plates collide, the movement causes the seabed to spread. Thus, option B is correct.
What continental shapes related to tectonic plates?Some of the early hints that scientists used to recreate historical plate movement were the discovery of identical or similar fossils in regions that were separated by great distances.
According to ideas based on the distribution of fossils, the southern continents were originally connected to form a supercontinent known as Gondwana.
Therefore, Scientists study the distribution of fossils, rocks, and continental shapes in order to understand the movement of tectonic plates.
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The theorist who first proposed the idea that individuals continue to develop well into adulthood was:
a) Freud.
b) Erikson.
c) Skinner.
d) Vygotsky.
If a 100 g sample of an isotope with a half-life of 10 years decays for 20 years, what is the remaining mass of isotope?.
To solve this, we can use two equations.
t1/2 = ln 2 / λ = 0.693 / λ - (1)
where, t1/2 is half-life and λ is the decay constant.
Nt = Nοe∧(-λt) - (2)
Nt = amount of atoms at t =t time
Nο = initial amount of atom
t = time taken
From (1),
10 yr = 0.693 / λ
λ = 0.693 / 10 yr
From (2)
Nt = 100 g eΛ(-(0.693 / 10 yr) x 20 yr)
Nt = 25.00 g.
Hence, remaining mass will be 25.00 g
How can you determine an isotope's mass?The total number of protons and neutrons in an isotope's nucleus is referred to as the mass number. This is due to the fact that each proton and neutron has a mass of one atomic mass unit (amu). You may get the mass of the atom by multiplying the total number of protons and neutrons by 1 amu.
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the________ is a thin inner surface behind the eyeball and it contains sensory receptors.
Retina: the light-delicate internal surface of the eye that contains the receptor poles and cones in addition to layers of neurons that start the handling of transduction for vision.
The conjunctiva is a slender layer that covers the internal surface of the eyelid and the white piece of the eyeball (the sclera). Aggravation of the conjunctiva is called conjunctivitis.
Olfactory epithelium lines the top of the nasal depressions, part of the nasal septum, and the predominant (and some of the time stretching out to the center) turbinate bones. The poles and cones in the retina are the tangible receptors for vision. They convert light into electrical driving forces that are eventually communicated to the cerebrum.
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Which is measured in a ridge count?
number of deltas
number of minutiae
direction of a whorl
spacing between ridge lines
The spacing between ridge lines is measured in a ridge count. Thus, the correct option for this question is D.
What is Ridge count?Ridge count may be defined as the number of ridges that significantly intersect or touch the line drawn from the easily recognized triradius (where three ridges meet) to the center of the pattern.
The ridge count is calculated by counting the number of ridges intervening between the delta and core. In the proposed method, instead of considering counting only between the core and delta, an effort is taken to count the ridges of the entire fingertip.
Therefore, the spacing between ridge lines is measured in a ridge count. Thus, the correct option for this question is D.
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Are homologous chromosomes in meiosis 1 or 2?
Homologous sets of cells are available in meiosis I and separate into chromosomes before meiosis II. In meiosis II, these chromosomes are additionally isolated into sister chromatids.
In meiosis I, the homologous chromosome matches become related to one another, are bound along with the synaptonemal complex, create chiasmata and go through hybrid between sister chromatids, and line up along the metaphase plate in quadruplicates with kinetochore filaments from inverse shaft posts connected to each.
Two chromosomes in a couple - ordinarily one acquired from the mother and one from the dad. For instance, the two duplicates of Chromosome 1 in a cell would be alluded to as homologous chromosomes.
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the teres major adducts the arm but does not __________ the arm.
Answer:
The correct answer would be abduct
Explanation:
The teres major adducts and internally rotates the arm at the shoulder but does not insert on the head of the humerus like the rotator cuff muscles.
Answer:
The correct answer would be abduct
Explanation:
The teres major adducts and internally rotates the arm at the shoulder but does not insert on the head of the humerus like the rotator cuff muscles.
25. Smoke and fog together give rise to:
global warming
smog
ozone depletion
acid rain
Answer:
smog... .................
at current rates of deforestation, tropical rain forests will be eliminated in __________ years.
As quick as the trees go, the possibility of easing back or turning around environmental change becomes slimmer. Tropical deforestation prompts carbon dioxide, the vitally ozone-depleting substance.
Deforestation is intentionally getting free from forested land. Over the entire course of time and into present-day times, timberlands have been annihilated to account for agribusiness and creature brushing and to acquire wood for fuel, assembling, and development.
Trees assimilate and store carbon dioxide. On the off chance that timberlands are cleared, or even upset, they discharge carbon dioxide and other ozone-depleting substances. Timberland's misfortune and harm are the reason for around 10% of worldwide temperature alteration. It's absolutely impossible that we can battle the environmental emergency on the off chance that we don't stop deforestation.
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Compare the graphs on the left and the right. Which one of these lines would represent "idealized population growth"?
A. the blue line on the left
B. the blue line on the right
C.the green line on the left
D. the red line on the left
2. How much time does it take an S wave to travel 1000 km
Answer:
3.8 kilometers (2.4 miles) per second.
