Which statement best describes both dna and rna?

Biology

1 answer:

icang [17]3 years ago

8 0

The answer is D. they both contain a great variety of nucleic bases.

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Indicate which drug-receptor interaction is shown at the arrow drug design

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You may talk about this picture:

A: it is an ionic bond (which is a strong interaction, between two close atoms which has a large difference in their charges, like azote and oxygen)
B: is a hydrogen bond (between O in a side and H in the other side)
C: it could be a Van der Waals bond (small interaction between Carbon and hydrogen from different sides (London interaction))
D: Hydrogen bond (between the Oxygen and hydrogen from different sides)
E: it's an ionic bond

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A scientist adds colchicine, a microtubule polymerization inhibitor, to a cell entering mitosis. At metaphase, the chromosomes o

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Answer:

Colchicine is also known as mitotic poison. When it is added the separation of chromosomes of daughter cells are stopped. 

Explanation:

This is because the formation of spindle fiber is not allowed in the mitosis phase. Basically it is the process of arresting the mitosis at metaphase to study the chromosomes properly.

The addition of colchicine prevents the chromosomes to move to opposite poles. It makes the cell polyploidy. Hence the of addition of colchicine is the polyploidy of the cell.

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Which of the following statements is true about mitochondria?

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Answer:

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Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. The size and coding capacity of the mitochondrial DNA varies considerably in different organisms, and encodes rRNAs, tRNAs and essential mitochondrial proteins.

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When an organism's weight rises above its set point, the organism is likely to experience a(n) Question 23 options:?

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Mitosis stage...................

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1) Photosynthesis produces two product, ________ and _________.

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1. Photosynthesis produces two products, glucose and oxygen.
2. Respiration will take the products of photosynthesis and convert them into carbon dioxide and water.

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