what features are unique to prokaryotes which thereby require them to perform a reproductive process separate from mitosis?

1 answer:

4 0

Some primary differences between prokaryotic and eukaryotic cells is that prokaryotes do not have a an organized nucleus, nor do they have membrane-bound organelles. They also only possess a single chromosome. This makes them less complex than eurkaryotes, and thus prokaryotes perform binary fission instead of mitosis.

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In its role as an antioxidant, _____ guards cell membranes, body proteins, dna, and cholesterol, and thus helps prevent heart di

vodka [1.7K]

Answer:

The answer is Vitamin E or α-tocopherol.

Explanation:

Vitamin E is a fat-soluble vitamin is first absorbed in the small intestine and is then stored at the liver. It is an antioxidant which protects cells from free radicals or reactive oxygen species (ROS). It can also prevent bad cholesterol from depositing in the blood vessels.

Vitamin E can be naturally found in nuts, seeds, and vegetable oils. As a dietary supplement, it takes the form of α-tocopherol. The RDA depends on the age of the person, as it may range from 4 mg to 15 mg per day.

Vitamin E deficiency is so rare that it will only occur if the person has a fat malabsorption illness like Crohn's disease, abetalipoproteinemia, etc. Symptoms of deficiency include muscle weakness, retinal degradation, peripheral neuropathy, and an immunocompromised state.

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3 years ago

Molly, whose eyes are brown, inherited a gene for blue eyes from her mother and a gene for brown eyes from her father. mollys br

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Her brown eyes are inherited from her dads genes.

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2 years ago

Which of the following statements is(are) TRUE of pulmonary edema? I. Pulmonary edema may reduce lung compliance II. Pulmonary e

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Answer:

II. Pulmonary edema occurs when interstitial fluid accumulates in tissues of the lung

Explanation:

Pulmonary edema is a condition that occurs when excess of fluid filled in the numerous air sacs in the lungs, making it difficult to breathe.

Symptoms of pulmonary edema include wheezing, extreme shortness of breath, Cold, clammy skin, feeling of suffocating or drowning , Anxiety, and restlessness or a sense of apprehension.

Treatment for pulmonary edema depends on the cause and generally include supplemental oxygen and medications.

Hence, the correct option is II. Pulmonary edema occurs when interstitial fluid accumulates in tissues of the lung.

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3 years ago

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The sun’s energy is absorbed by plants and converted into glucose during __________. Animals eat the plants and convert the gluc

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Your answer is c. hope this helps (;

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3 years ago

Which is the most diverse group of seedless vascular plants?

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Answer:

The most diverse group of seedless vascular plants are the ferns .

Explanation:

Ferns -

Ferns are the most advance seedless vascular plants and is the most diverse group . Ferns have branching roots and large leaves . But the whisk ferns , have lack of roots and leaves due to evolutionary reduction . In the process of evolutionary reduction , the natural selection reduces the size of the structure which no longer favors the particular environment . Hence , Photosynthesis in whisk ferns takes place in their green stem .

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3 years ago