BIOLOGY COLLEGE

What is the purpose of strand B?a.) To act as a template for the synthesis of messenger RNA

b.) To carry the code from the DNA molecule in the nucleus to the ribosome

c.) Delivers specific amino acids to the ribosome to make proteins

d.) Transfers nucleic acids to the nucleus

Answers

Answer 1

Answer:

Answer:

The answer is a)

Explanation:

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Plants use CO2 in the process of photosynthesis to make

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Answer:

food for less than a year ago today was a good day for you drink a lot of water and summer vacation visiting with you drink a lot of water and summer vacation visiting with you and your name and address in a bit in me in me in me in

they make sugar and oxygen

The organisms of which domain are organized according to their shape? A. Bacteria B. Archaea C. Eukaryota

Answers

The three domain system is develop by Carl Woese and is used to classify biological organisms. Under these would be bacteria,archaea and eukaryota. There are also kingdoms namely archaebacteria,fungi, plantae, etc.The answer on this question would be letter b. archaea

Which change to the ramp would be the best way to increase its medical efficiency (ME), and why?

Answers

Answer:

make it lower

Explanation:

because then it would be easier to maneuver

The antibiotic ciprofloxacin often is prescribed for serious cases of food poisoning caused by the bacterium Campylobacter jejuni, which is common in the intestines of farm animals and is not harmful to them, but may cause acute food poisoning in humans. Which of the following is correct given prolonged use of this antibiotic? (A) Prior to antibiotic treatment, most Campylobacter are ciprofloxacin-resistant.
(B) Ciprofloxacin treatment kills or halts the growth of the sensitive strains, yet the resistant strains survive.
(C) Repeating the treatment of the same patient or a population multiple times results in a strain of Campylobacter that is more susceptible to the antibiotic.
(D) Treatment with ciprofloxacin causes the patient to evolve resistance such that the next time the patient gets an infection, it will no longer be effective.

Answers

Answer:

(B) Ciprofloxacin treatment kills or halts the growth of the sensitive strains, yet the resistant strains survive.

Explanation:

Campylobacter jejuni is the causal agent of the food-borne infection with the highest incidence in Europe. Both poultry and wild birds are a major reservoir of the bacteria, the bacteria lives in the intestines of warm blooded animals but is only quite harmful to humans. It has been identified that the diversity fo genes is responsible for its resistance to antibiotics.

A characteristic which is influenced by genes and passed from parents to offspring is called heritable. Over many generations heritable adaptive traits become more common in a population. This process is called evolution by natural selection. Evolution by natural selection leads to adaptation within a population. The term evolution by natural selection does not refer to individuals changing, only to changes in the frequency of adaptive characteristics in the population as a whole. For example, for the mice that lived on tan sand, none of the mice had a change in the color of their fur; rather, due to natural selection, tan fur was more common for the pups than for the mother mice. In summary, a heritable characteristic that helps an animal or plant to have more offspring which survive to reproduce and will tend to become more common in a population as a result of evolution by natural selection. a. Explain why a heritable characteristic which helps an animal to live longer will generally tend to become more common in subsequent generations as a result of evolution by natural selection.
b. Suppose an unusual heritable characteristic helped animals to live longer but made them sterile so they could not have any offspring. Explain why this heritable characteristic would not become more common in subsequent generations as a result of evolution by natural selection.

Answers

Explanation:

a. Some novel traits become fixed within a population, as they confer advantageous adaptations to an individual within their environment. These adaptations let these individuals live longer than their counterparts, and mate to produce more offspring over time, who also possess these traits.

b. For natural selection to act on a trait, it must confer a particularly beneficial advantage, and it should also be passed on to various offspring capable of surviving and reproducing at a higher rate. Without the ability to reproduce, natural selection cannot occur and is not influenced by an individual's fitness.

Natural selection leads to evolutionary change when individuals with certain characteristics have a greater survival or reproductive rate than other individuals in a population and pass on these inheritable genetic characteristics to their offspring.

Further Explanation:

Genetic variation has an important impact on small populations. There, mutations add up over time in a population, modifying the distribution of alleles or various forms of a gene. Natural selection may lead to loss of diversity in a population through genetic drift; one trait's allelic frequency increases significantly while others become less prevalent. Usually these differences exist because of occurrences of mutation and recombination.

Spontaneous changes within the genome occurring during the cycle of cell division are called mutations. These are defects of copies of the DNA produced within the cell; mutations may range from small modifications called single nucleotide polymorphisms to large-scale deletions and multi-gene additions.

Such mutations create variants which, within a group, become permanent, resulting in the creation of different, genetically distinct populations called species. Mutations occur over time in a population, changing the distribution of alleles or various forms of a gene-this is called genetic drift.

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

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_____on the blood determine a person's blood type