Answer:
produce proteins (A) .......
What are the reactants of glucose?
1 point
Answer:
Explanation:
Food (glucose)
Protects the seed. Grows around the seed.
How much energy is lost as heat every time you eat a meal?
Answer: 90% energy is your answer
Answer:
90% of engry
Explanation:
How does DNA impact the
function of enzymes?
Answer:
DNA encodes the sequence of amino acid which uses the genetic code :3
Explanation:
:3
Answer:
dna dosent act directly onto other molocules, enzymes actually act on dna and copy its info onto more dna, or transcribes it into proteins. the biggest function of dna is that is can code a sequance of amino acids in proteins using a genetic code.
Explanation:
:)
24. Which of the following best describes chromosomes? (1 point)
supercoiled strands of a DNA molecule
identical strands of a DNA molecule
segments of a DNA molecule
relaxed strands of a DNA molecule
Answer:
Chromosomes are supercoiled strands of a DNA molecule
The law of universal gravitation states that both mass and distance of objects affect the gravitational force between them. Gravitational force increases as the mass of the objects increase. Gravitational force decreases as distance between the objects increases. Why are these statements considered scientific law, and not scientific theory?
Duchenne Muscular Dystrophy (DMD) is a sex-linked trait that causes muscular weakness that gets worse as a person ages. Which is most likely true of Duchenne Muscular Dystrophy? A. DMD can only be inherited by females. B. Females with DMD always have a mother with DMD. C. The gene for DMD is located on the X or Y chromosome. D. The gene for DMD is most active in the cells of the reproductive organs.
Answer: C
Explanation:
DMD is s*x linked trait. This means that we have to consider the chromosomes XX and XY. For a male to have DMD, this means the mom must must pass down the allele for DMD. The mom can either be a carrier OR she has to have DMD and the dad can only pass down the Y chromosome. For a daughter to get DMD, this means the dad has to have the allele for DMD and so does the mom. That means that the dad has DMD and the mom can either have DMD or be a carrier. Based off of this logic, we know that the answer isn't B. Because they tell us DMD is s*x-linked trait, it means that the gene for DMD is on the x or y chromosome.
Stem cells can make many copies of themselves through the process of ________. This process results in daughter cells that are ____________ the parent cells. The unspecialized cells can become specialized through the process of _______________.
Answer:
Explanation:
1. mitosis
2. clones
3. differentation
Stem cells can make many copies of themselves through the process of mitosis, which is a type of cell division.
What are stem cells?Stem cell are undifferentiated cells that produce specialized cells and their initial division results in daughter cells that are clones of the parent cells.
The unspecialized cells can become specialized through the process of differentiation.In conclusion, stem cells can make many copies of themselves through the process of mitosis.
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The surprisingly low rates of genetic differences between different current human populations (about only 6.5%) and that most genetic diversity occurs person-to-person within a population rather than population to population points to:
A.
a common origin of Homosapiens sapiens in Africa from a small number of people
B.
a fairly high rate of gene flow between human populations
C.
a fairly short time, perhaps 200,000 years existing as a new species in Africa
D.
all of the above
Answer:
the answer for this question would be B.
a fairly high rate of gene flow between human populations
Genetic diversity is the result of heritable traits that vary within species. It is seen more in person-person than in population because the human population has a high rate of gene flow. Thus, option B is correct.
What are gene flow and drift?Gene flow is the passing of the heritable traits outside and inside the population due to factors like migration or because of the gametes. The alleles possessing the characters are moved from one population to another.
In genetic drift, the allele frequency experiences an alteration in the genetic pool of the population. High genetic flow and the drift in humans result in genetic diversity. It causes very neutral differences to appear and are most likely to be seen in person rather than in the whole population.
Therefore, the high gene flow results in genetic diversity in the person.
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what are bioactive molecules
Answer:
Bio-active molecules that are basically molecules that are which is produced as a result of microbial activities. These molecules can be in different forms such as enzymes, chemical compounds and organic acids. Some examples are proteases, streptokinases, lipases and pectinases.
I hope this helps you
What would happen if a planet stopped moving forward?
I have to answer in my own words...
In eukaryotes transcription takes place in the _________. translation takes place in the ________.
1. cytoplasm/cytoplasm
2. nucleus/cytoplasm
3. nucleus/ribosomes
4. ribosomes/nucleus
Answer:
3
Explanation:
The correct answer will be option-Transcription takes place in the nucleus, and translation takes place in ribosomes.
The regulation of genes is regulated and controlled by two main processes of central dogma called transcription and translation.
Transcription is the process of formation of messenger RNA or mRNA from a single strand of DNA whereas translation is the formation of protein from mRNA.
This process takes place in different sites in prokaryotes and eukaryotes. In prokaryotes, both transcription and translation take place in the cytoplasm but in eukaryotes, the transcription takes place in the nucleus whereas translation takes place in the ribosomes present in the cytoplasm.
Thus, the selected option is the correct answer.
IL. Answer the following:
1. Eucalyptus trees should be planted all along the sewage ponds. Analyse
Eucalyptus
The introduction of Caulerpa, also known as killer algae, into California was ultimately the result of _______.
a. hull fouling
b. the aquarium trade in exotic, nonnative aquatic species
c. intentional release
d. an algae farming company
Answer:B
Explanation:
Which ocean zone supports more species and numbers of organisms than any other zone?
Answer:
the photic zone or better known as the sunlight zone, since photosynthesis occurs here, more than 90 percent of all marine life live in this sunlight. the sunlight zone goes about 600ft deep
Harry had been learning about joints in one of his classes at school. On the way to the emergency room he tried to recall what types of tissues made up the different joints. He knew ligaments, tendons, and other connective tissues associated with joints often did not heal quickly. He wasn't sure whether it would better to have broken a bone or to have sprained something. Correctly match each tissue type to the sentence. Some of the words may be used more than once.
__________ is what makes up the war criage of synovial joints.
A symphysis is an amphithjoint where__________ joins adjacent bones
Epiphyseal platos are the growth plates of long bones which are made up of ___________ and are an example of a synchondriosis.
a. Dense regular conective tissue
b. hyallne cartilage
c. Dense irrregular conective tissue
d. fibrocartilage
Answer:
The correct answer is -
1. hyaline cartilage
2. fibrocartilage
3. hyaline cartilage
Explanation:
1. The hyaline cartilage covers the articular cartilage of the synovial joint that is translucent or clear as glass-like cartilage that has a firm consistency and a high amount of collagen.
2. A symphysis is an amphiarthrotic joint which is a fibrocartilagenous joint that joins with the adjacent bone. This is a very tough or strong tissue.
3. The growth plate of the long bone or epiphyseal plates are examples of synchondrosis,which is a hyaline cartilage composed tissue.
Explain what is meant by the statement, "Cells are very different, yet very similar."
Write it in 125 words
after decomposition in the carbon cycle, put the following steps in order.
- photosynthesis
- fossil fuels or volcanic eruption
- respiration
The correct answer is after decomposition in the carbon cycle, it is first fossil fuels or vulcanic eruption, respiration, and photosynthesis.
Explanation
The carbon cycle is the way that carbon circulates through the atmosphere, oceans, and the Earth's surface and interior through chemical, physical, geological, and biological processes. This cycle is very important because carbon is present in all elements of the Earth. Decomposition is the stage in which organisms (plants and animals) break down and are absorbed by the soil. After millions of years, the carbon contained in these organic wastes becomes the mineral coal that is exploited in mines and extracted for use as fossil fuels, another part of this compound mixes with the processes of the lithosphere and is expelled. in volcanic eruptions. Also, once absorbed by the soil, it feeds the plants that serve as food for different animals that use it for one of their basic processes such as respiration. Once in the atmosphere, the plants absorb carbon again to make their photosynthesis. Therefore, the correct order of the steps of the carbon cycle is Fossil fuels, respiration, photosynthesis.
Why do allele frequencies give us genetic variation
Answer:
why are The more variation a population has, the better its ability to adapt to changes in its environment through natural selection. If there is more variation, the odds are better that there will be some alleles already present that allow organisms to survive and reproduce effectively under the new conditions
Explanation:
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A scientist has discovered an unidentified organism. The cell theory states that which of the following must be true about this new living thing?
A. Its cells come from preexisting cells.
B. All its cells have different functions.
C. It is not made up of cells.
D. All its cells are considered non living
Answer:
A
Explanation:
All living things can produce and divide from preexisting cells.
FAST HELP
1. What are the set of phenotypic traits that benefit a species in a given environment?
1.adaptations
2.phenotypes
3.genotypes
4.mutations
Answer: adaptations
Explanation: a change or the process of change by which an organism or species becomes better suited to its environment.
Note: Hope this helps you and am sorry for the late answer, it will help you in the future, if you want you can give me brainiest it would help me a lot.
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https://brainly.com/app/profile/13253466/answersHow can we get bacteria off of us
Answer:
by washing ourselves with soap
What causes coral bleaching?(1 point)
High water temperatures boil coral polyps, causing them to turn white in color.
Water acidity and high water temperatures make coral polyps more prone to infection, causing them to turn white in color.
High water temperatures and water acidity cause coral polyps to expel algae, causing them to turn white in color.
Water acidity causes coral polyps to lose their photosynthetic abilities, causing them to turn white in color.
High water temperatures and water acidity cause coral polyps to expel
algae, causing them to turn white in color.
What is Bleaching?This is the process in which a surface is whitened by the removal of its
natural color.
In coral polyps which are found in water, they experience bleaching
through high water temperatures and water acidity.
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For a human zygote to become a fetus it must undergo
A) fertilization
B) Cell division by mitosis
C) Cell division by meiosis
D) Recombination
Answer:
B
Explanation:
After fertilization, a zygote undergoes rapid cell division (mitosis) to develop into a foetus
1.What is a codon? What does it tell the ribosome?
2.What are amino acids?
3.How does a ribosome know when a protein strand should start producing and when it should stop adding amino acids?
4.Translate the following RNA sequence into a protein chain.
AUGGUUACCAGUCGCUUAUAA
Answer:
1. A codon is a triplet of nucleotides that codes for an amino acid. This amino acid is transported by the tRNA which possesses a complementary anticodon and it gets added to the nascent protein.
2. Amino acids are organic compounds that contain amino (–NH2) and carboxyl (–COOH) functional groups, along with a side chain (R group) specific to each amino acid.
3. the onset of protein production is signaled by the AUG codon which encodes methionine. the stop to the synthesis is given instead by the stop codons (UAA, UAG, UGA)
4. Met-Val-Thr-Ser-Arg-Leu-Stop
Smooth muscles are found mainly in the _______
A)Walls of the cardiac muscles
B)Walls of the chest
C)Walls of hollow organs
D)Walls of the lumbar spine
In grapes, the wild-type DND1 gene confers resistance to attain viruses, and strains are susceptible to viruses. The EDS1 gene confers resistance to powdery mildew, a type of fungal infection. The genes are linked, eight map units apart on chromosome 17. A third gene, IR 1. imparts resistance to certain lepidopteran leafminers and is 10 map units from EDS1 and 18 map units from UNDI The abserved double crossover rate is 0.3%. What is the interference?
a. 37.5%
b. 25.%
c. 62.5%
d. 75%
Answer:
I = 62.5%
Explanation:
Available data:
the wild-type DND1 gene confers resistance to attain viruses. Strains are susceptible to virusesThe EDS1 gene confers resistance to powdery mildew, a type of fungal infection The genes are linked, eight map units apart on chromosomeA third gene, IR 1. imparts resistance to certain lepidopteran leafminers and is 10 map units from EDS1 and 18 map units from DNDIThe observed double crossover rate is 0.3%According to this information, we can picture the position of each gene in the chromosome
---DND1----------------------EDS1-----------------------------------IR1---
║---------- 8MU---------║------------------10MU-------------║
║------------------------------18MU------------------------------║
The map unit is the distance between the pair of genes for which one of every 100 meiotic products results in a recombinant product.
1% of recombinations = 1 map unit = 1cM. The maximum recombination frequency is always 50%.
So, if we know the distances between genes, we know their recombination percentages.
DND1-EDS1 = 8 MU = 8% recombinationEDSI-IR1 = 10 MU = 10% recombinationTo calculate interference, first, we need to know the coefficient of coincidence, CC.
CC= observed double recombinant frequency/expected double recombinant frequency
Note:
observed double recombinant frequency=total number of observed double recombinant individuals/total number of individuals expected double recombinant frequency: recombination frequency in region I x recombination frequency in region II.CC= (0.003)/(0.08 x 0.1)
CC=0.003/0.008
CC=0.375
CC = 37.5%
The coefficient of interference, I, is complementary with CC.
I = 1 - CC
I = 1 - 0.375
I = 0.625
I = 62.5%
what is embryogenesis???
Answer:
Embryogenesis is the development of an animal or plant embryo.
OR
Embryogenesis is the process of development of an embryo from zygote. In embryogenesis, the zygote undergoes repeated cell division through mitosis. The divisions help in the growth of an embryo. Cells undergo differentiation attaining specific shape, size and function. Cell differentiation occurs at specific location resulting in the production of different tissue, organs and organ system.
Water was rediscovered on the Moon in 2020. How is the recent discovery different from the LCROSS discovery and why is it potentially exciting for humans?
Answer:
Both are the same but done by different space agencies.
Explanation:
The recent discovery is same as the LCROSS discovery because both are done in order to discover water on the moon. it is potentially exciting for humans because water is very important for life as well as this water is also can be used for formation of rocket fuel from it which helps the rocket in movement from moon to the earth if the fuel is finished.
A conditional mutation expresses its mutant phenotype only under certain conditions (the restrictive conditions) and expresses the normal phenotype under other conditions (the permissive conditions). One type of conditional mutation is a temperature-sensitive mutation, which expresses the mutant phenotype only at certain temperatures. Strains of E. coli have been isolated that contain temperature-sensitive mutations in the genes encoding different components of the replication machinery. In each of these strains, the protein produced by the mutated gene is nonfunctional under the restrictive conditions. These strains are grown under permissive conditions and then abruptly switched to the restrictive condition. After one round of replication under the restrictive condition, the DNA from each strain is isolated and analyzed. What characteristics would you expect to see in the DNA isolated from each strain with a temperature-sensitive mutation in its gene that encodes the following?a. DNA ligase
b. DNA polymerase I
c. DNA polymerase III
d. Primase
e. Initiator protein
Answer:
a) DNA ligase
Due to temperature sensitivity DNA ligase action is impaired due to presence of multiple nicks but the DNA replication will proceed
b) Encoding polymerase I
Due to temperature sensitivity mutation occurs causing non-corrected strands to be obtained but DNA replication will continue
c) Encoding polymerase III
Replication is stooped here because of the importance of the enzyme in the synthesis of new strand
d) Primase
The enzyme will induce primers in forward and lagging strands
Explanation:
DNA replication is facilitated by the functionality of enzymes in assisting the formation of new synthesis
Temperature sensitive mutations
a) DNA ligase
Due to temperature sensitivity DNA ligase action is impaired due to presence of multiple nicks but the DNA replication will proceed
b) Encoding polymerase I
Due to temperature sensitivity mutation occurs causing non-corrected strands to be obtained but DNA replication will continue
c) Encoding polymerase III
Replication is stooped here because of the importance of the enzyme in the synthesis of new strand
d) Primase
The enzyme will induce primers in forward and lagging strands
e) Initiator protein