Answer:
C. Troposphere
Explanation:
It works a lot like sunscreen, blocking out harmful ultraviolet (UV) rays from the sun. ... Most ozone is found below a 30 mile (48 km) height. ... And considering without an atmosphere we'd all die, it's kind of important to ... From the Earth's surface through the bottom layer of atmosphere, called the troposphere, temperature .
The fact that all organisms share some basic features and life processes is used by biologists to explain the idea that all life descended from a common ancestor. Which of the following is evidence that justifies this claim?
a. All organisms are made up of cells that contain energy-producing mitochondria.
b. All organisms are made up of cells that reproduce asexually through mitosis and meiosis.
c. The cells of all organisms contain DNA that is housed in a membrane-bound nucleus.
d. The cells of all organisms share common metabolic processes, such as cellular respiration.
Answer:
c. The cells of all organisms contain DNA that is housed in a membrane-bound nucleus.
Explanation:
DNA is the genetic material found in the cells of living organisms. Among the characteristics of the DNA that makes up the genetic code, it is said to be nearly universal though. DNA is said to be the "blueprint of life".
This means that the DNA sequence that encodes protein and useful information is the same in almost all living organisms. Hence, the statement that "cells of all organisms contain DNA that is housed in a membrane-bound nucleus is the" justification that fact that all organisms share some basic features and life processes is used by biologists to explain the idea that all life.
Answer:
the cells of all organisms share common metabolic process such as cellular respiration
Explanation:
The breakdown of glycogen into a glucose is termed as what??
Answer:
sugar
Explanation:
The term for the breakdown of glycogen into a glucose (sugar) is called Glycogenolysis.
What determines the carrying capacity in an ecosystem? *
A:The number of different species in an ecosystem
B:limiting factors
C;:only biotic factors
D:only abiotic factors
Answer:
B:limiting factors
Explanation:
A limiting factor is anything that constrains a population's size and slows or stops it from growing.
Answer:
B:limiting factors
Explanation:
Compared to today's corn plant, teosinte:
is taller and has more branches.
is taller and has fewer branches.
is shorter and has more branches.
is shorter and has fewer branches.
Answer:
is shorter and has more branches.
Explanation:
Answer:
c
Explanation:
Please select the word from the list that best fits the definition
What wavelength measures.
BRAINLIST IF CORRECT 10 POINTS!!!
Please help!
Answer:
what are points for ?
Explanation:
PLEASE HELP!!!
5. How could one change in a DNA nucleotide alter the formation of the translated protein? (In other words, what could happen to the finished protein if you change just one base letter in the entire code of DNA, and instead of it being ACTGCCAGCCTa it was changed to ACTGCCAGCCTg?
DNA codes for proteins by the sequence of nucleotides in the DNA. Each set of 3 nucleotides codes for a specific amino acid. Sometimes, a change in a nucleotide does NOT change the amino acid (and therefore, the protein) because some amino acids have more than one set of 3 nucleotides that code for them
Which of the following processes is most responsible for producing the landscape of Florida’s beaches
Answer:
Convection and cementation
Explanation:
Please help me out .Some organisms have genes that improve their ability to survive and reproduce. If the genes also help their offspring survive and reproduce, then which of the following will most likely increase?
A.The frequency of the genes in the population
B.The frequency of the genes in one individual
C.The number of genes in the species
D.The number of genes in one chromosome
Answer:
A. The frequency of the genes in the population
Explanation:
Genes are fundamental units that are part of the hereditary. The genes help offspring to survive and reproduce, then the frequency of genes in the population will increase. Hence, Option A is correct.
What are genes?Genes are the functional units of heredity, genes are made up of DNA. Four factors change gene frequencies in a population namely migration, mutation, selection, and random genetic drift.
Gene frequency is called allele frequency. It remains constant from generation to generation if there are no distributing factors. The alteration in the genes causes the change in the frequency that plays an important role in variation and evolution.
The frequencies of genes increase when they are selected favorably. Darwin proposed the theory of natural selection, which states that natural selection acts on favorable variations that occur among a species' individuals.
Therefore, if genes help their offspring to survive and reproduce then the frequency of a gene in a population will increase. Hence, the correct option is A.
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What bases pair with the following sequence in DNA: AATCGTATCGAC *
Answer: The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation:
How is a single cell similar to a gray wolf
Answer:
Grey wolf optimizer (GWO) is a newly developed metaheuristic inspired by hunting mechanism of grey wolves. The paramount challenge in GWO is that it is prone to stagnation in local optima. This paper proposes a cellular grey wolf optimizer with a topological structure (CGWO). The proposed CGWO has two characteristics. Firstly, each wolf has its own topological neighbors, and interactions among wolves are restricted to their neighbors, which favors exploitation of CGWO. Secondly, information diffusion mechanism by overlap among neighbors can allow to maintain the population diversity for longer, usually contributing to exploration. Empirical studies are conducted to compare the proposed algorithm with different metaheuristics such as success-history based adaptive differential evolution with linear population size reduction (LSHADE), teaching-learning based optimization algorithm (TLBO), effective butterfly optimizer with covariance matrix adapted retreat phase (EBOwithCMAR), novel dynamic harmony search (NDHS), bat-inspired algorithm (BA), comprehensive learning particle swarm optimizer (CLPSO), evolutionary algorithm based on decomposition (EAD), ring topology PSO (RPSO), crowding-based differential evolution (CDE), neighborhood based crowding differential evolution (NCDE), locally informed particle swarm (LIPS), some improved variants of GWO and GWO. Experimental results show that the proposed method performs better than the other algorithms on most benchmarks and engineering problems.
Explanation:
Hope it's help mark as BrainlistA recently created metaheuristic called the "grey wolf optimizer" (GWO) was influenced by the way that grey wolves hunt. The main problem with GWO is that it can become stuck in local optima.
What is GWO?In this study, a topologically structured cellular grey wolf optimizer is proposed (CGWO). There are two features of the suggested CGWO. First off, interactions between wolves are limited to those with whom they share topological neighbors, favoring exploitation of CGWO.
Second, the population variety can be preserved for a longer period of time by a technique of information transmission involving overlap among neighbors, usually promoting exploration.
The proposed approach is compared empirically against other metaheuristics, including the teaching-learning based optimization algorithm (TLBO), successful butterfly algorithms, and success-history based adaptive differential evolution with linear population size reduction (LSHADE).
Therefore, A recently created metaheuristic called the "grey wolf optimizer" (GWO) was influenced by the way that grey wolves hunt. The main problem with GWO is that it can become stuck in local optima.
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what molecule provides the energy that powers active transport?
Answer:
adenosine triphosphate (ATP)
Explanation:
Active transport mechanisms require the use of the cell's energy, usually in the form of adenosine triphosphate (ATP).
You have studied some microbes that cause disease. Understanding how microbes grow and multiply is important when identifying and dealing with transmission of infection. This week will focus on bacteria. Think about what you already know about bacteria, how they are structured, function, and replicate. Discuss what you need to know in order to deal in the field with bacterial outbreaks.
Answer:
Structure: unicellular organisms (single-celled), no nucleus or membrane-bound organelles, genetic material usually composed of a single circular bacterial chromosome coiled up in a region of the cytoplasm
Function: metabolic functions are carried out in the bacterial cytoplasm
Replication: generally asexual (binary fission)
Explanation:
Bacteria are prokaryotic organisms, i.e., unicellular organisms that do not have a cell nucleus nor any membrane-bound organelles . Generally, the genetic material is composed of a single DNA circular molecule (bacterial chromosome), which is localized in a specific region of the cytoplasm (nucleoid region). Prokaryotic cells are usually smaller than eukaryotic cells (0.1 - 5 μm in size). In bacteria, metabolic functions (i.e., growth and reproduction) occur in the cytoplasm. The most important process of reproduction in bacteria is binary fission, a form of asexual reproduction where a single bacterial cell divides into two. Bacteria can also exchange genetic material by sexual reproduction mechanisms (i.e., conjugation, transformation and transduction). The main strategy to prevent outbreaks caused by bacteria is to know the conditions where they grow and reproduce. For example, Salmonella is a genus of infectious bacteria that may cause an outbreak. Salmonella infection may be prevented by eliminating conditions where they can multiply. Measures to prevent Salmonella outbreaks include cook food thoroughly (do not eat raw eggs or raw beef), refrigerate foods, wash hands, etc.
Most ecosystems on Earth rely on _________________ as their source of energy. A.Chemical Energy
B.the Sun
C.Hydrothermal Energy
be more faster i'm in a test
Answer:
B
Explanation:
2) The signal to contract is distributed deep into the muscle fiber by the
a) Sarcolemma
b) Sarcomere
c) Transverse tubules
d) Myotubules
e) Myofibrils
Answer:
c) Transverse tubules
Explanation:
The transverse tubules (T tubulars) are called these channels because they cross the filament. A network of interconnecting rings, each of which encircles a myofibril, is the transverse tubular structure. It provides an essential pathway of contact between the fiber outside and the myofibrils.
The most common measure of inflation is a statistic called the Government officials in Country M have determined that they need to take action to encourage the growth of their economy. To do this, they have introduced an incentive policy that offers citizens free education. This is extended to all individuals who sign a contract agreeing to work within their specific industry for the next ten years.
.
Answer: a. Education to reduce unemployment and increase production
Explanation:
Education gives people specialized knowledge and skills that will enable them improve production processes and thus increase efficiency which will drive economic growth.
By investing in education in such a manner, Country M is aware of the benefits of education and hope to harness it to reduce unemployment and increase their production capacity which will drive economic growth.
Based on the pedigree chart above, is red hair dominant or recessive? How do you know?
Answer:
it's recessive because if both parents do not have the trait and the child does, it's recessive
Explanation:
MULTIPLE CHOICE QUESTION
Which of the following are examples of
ecosystems (choose all that apply)?
Ocean
River
Desert
Forest
Answer:
All of the above
Explanation:
The definition of ecosystem is "a biological community of interacting organisms and their physical environment." and all four of the answers fit the bill.
An urgent help !!
If anyone of you have ever been to a Massage then plese answer my question that follows:
I have got an assignment to complete in my Biology chapter "muscles".
The assignment is:
Interview a person who have ever been to a Massage and ask them about how they felt while they were recieving the Massage.
Please anyone who have had a Massage, write down your experience in a paragraph.
Answer:
It was all fun and games until they massaged my a ss. It was all pain no enjoyment. Twas an experience I don't wish to go through again. A pain I wish upon my enemies is simply a massage by an aggressive person. After all there was no relief expect for the person who gave it. Tis 30 bucks that could change one's life. DEAD SERIOUS ABOUT THIS AVOID MASSAGES
Explanation:
it's brief ;
We really feel relaxed when we get a massage as it helps to reduce pain in the muscles........ and even in the nerves....
Consider when muscles are contracted they give pressure on our nerves which causes a very painful sensation........
Thus a massage therapy can make ur muscles loose and less tired...............................................
sorry for my bad English as it's not my first language
4. For the picture can you answer 3 or 4 please Based on your knowledge about prokaryotic cells and
eukaryotic cells, what are three structures the cells shown
below would have in common?
Answer:
For number 3:
The bacterial cell is a prokaryotic cell and the fungal cell is a eukaryotic cell.
Explanation:
I cannot see the cells to answer number 4, but for number three, bacteria is a prokaryote and fungal cells are eukaryotes. You can most likely determine this by the presence of a nucleus (a prokaryote cell will not have one where a eukaryotic cell will).
A position effect variegation (PEV) phenotype can be used to identify new genes that regulate heterochromatin formation. For example, strains of Drosophila melanogaster with the white variegation phenotype can be subjected to mutagenesis to screen for mutations in other genes that suppress PEV, meaning the mutation results in a lower white pigment production. Using what you know about the enzymes that control heterochromatin spreading, describe one mutation that you would expect to be a suppressor of variegation
Answer:
by mutation of genes encoding histone modification enzymes that lead to loss of gene repression by the alteration of the chromatin structure
Explanation:
Histone methylation is an important epigenetic modification involved in regulation of gene expression. Histone methyltransferases and histone demethylases are enzymes capable of modifying the chromatin structure by adding or removing methyl groups of the N-terminal of the core histones, respectively. There are suppressor of variegation (Su-var) enzymes capable of removing activating chromatin marks such as, for example, histone H3 lysine methylation, thereby mutations in these epigenetic modifiers may result in a loss of gene silencing by directly opening the chromatin structure. For example, Su(var)3–9 is a histone lysine methyltransferase enzyme that controls the formation of heterochromatin.
According to the _______ hypothesis, the moon formed far away from the earth and was later captured by the earth's gravity.
The most popular hypothesis for the moon's origin is the _______.
Telescopes can be engineered to gather light from any portion of the _______.
In 2021 the James Webb Telescope will begin operation focusing on infrared wavelengths and must be kept extremely _______.
Scientists estimated the age of the universe to be nearly _______ billion years using Hubble's pictures and images from the Wilkinson probe.
Answer:
The correct answer is -
1. capture
2. the giant impact hypothesis
3. electromagnetic spectrum
4. cold
5. 14
Explanation:
Capture hypothesis is presented by the Urey and was dominant up to the 60s which states that the Moon was an asteroid-like wandering structure that formed somewhere far in the solar system and was captured by Earth's gravity while it was wandering.
The most dominant and popular theory for the origin of the moon is the giant impact hypothesis says that it is formed from the debris left after the collision of the earth and Theia a Mars-sized body.
Telescopes are tools engineered for collecting light from any part of the electromagnetic spectrum.
Scientists estimated that the age of the whole universe to be nearly 14 billion years with the help of Hubble's pictures and pictures from the Probe of Wilkinson
1. capture
2. giant impact hypothesis
3. electromagnetic spectrum
4. cold
5. 14
6. The moon's mass is much lower than the earth's; therefore, its gravity isn't strong enough to hold an atmosphere. This lack of an atmosphere and the moon's small size allowed it to become cool enough to the point at which it completely solidified. Thus, the moon doesn't have any plate tectonic activity.
Artificial eutrophication is caused by
Answer:
Fertilizer from farms, lawns, and gardens is the largest source of nutrients that cause artificial eutrophication. Phosphates in some laundry and dish-washing detergents are another major cause of eutrophication . Phosphorus is a plant nutrient that can cause the excessive growth of algae
Explanation:
How do mutation, genetic recombination during sexual reproduction, and lateral gene
transfer produce genetic variation?
When the mutation, genetic recombination at the time of the se-xual reproduction so there should be the change in the structure of gene.
What happen when mutation, genetic recombination generated:The mutation should be arise at the time when there should be change in the gene structure of an organism.
The genetic recombination arise at the time of se-xual reproduction with respect to the two parents.
And, Lateral gene transfer arise at the time when the genetic material should be shifted between the organism
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What do I say if my agriculture asks me what I'm growing.
Nucleic acids are synthesized from monomers that are activated by linking them to a carrier molecule in an energy-requiring reaction.
a. Nucleic acids are synthesized from monomers that contain a high-energy disulfide bond and they are already activated and do not require a carrier molecule.
b. Nucleic acids are synthesized from monomers that contain a high-energy phosphodiester bond and they are already activated and do not require a carrier molecule.
c. Nucleic acids are synthesized from monomers that contain a low-energy disulfide bond and they are already activated and do not require a carrier molecule.
d. Nucleic acids are synthesized from monomers that contain a low-energy phosphodiester bond and they are already activated and do not require a carrier molecule.
Answer:
The correct answer is - option b.
Explanation:
The given statement is a false statement as nucleic acids are synthesized by the polymerization process. In which linking the various nucleotides or deoxynucleosides with three phosphate groups or dNTPs (deoxynucleotide phosphate) attached to each other by a high energy phosphodiester bond takes place. These are already activated and does not require any carrier molecule to be liked with.
Thus, the correct answer is - option B.
Which cell express higher levels of genetic variation
Answer:
mutation, recombination, and immigration of genes.
1. Which of the following is NOT a major tectonic plate?
Eurasian
Nazca
South American
Canadian
Australian
The option that is not a major tectonic plate is known as Australian. Thus, the correct option for this question is E.
What is a Tectonic plate?The tectonic plate may be characterized as a type of gigantic piece of the Earth's crust and uppermost mantle. They are generally constructed up of the oceanic crust and continental crust.
Earthquakes take place around mid-ocean ridges and the large faults which definitely mark the edges of the plates. Due to this, the surface of the earth is cracked into moderate to larger pieces called plate tectonics. The lithosphere of the earth is correspondingly divided into seven major and some minor plates.
Therefore, the option that is not a major tectonic plate is known as Australian. Thus, the correct option for this question is E.
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Clones produced from the same organism are found to exhibit slightly different physical traits. What is the most likelyreason for this?
3. Blood that travels from the heart to the lungs is said to be in which process?
A. Systemic Circulation
B. Homeostasis
C. Pulmonary Circulation
D. Coagulation
