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hichkok12 [17]
3 years ago
12

Which nucleotide bases are purines?

Biology
1 answer:
monitta3 years ago
3 0

Answer:

a. adenine and guanine

Explanation:

A purines nucleotide is a combination of the heterocyclic aromatic rings, the imidazole and pyrimidine ring.  

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A scientist has discovered a new plant species in the Amazon rainforest she tells her fellow scientist at the Playhouse she has
Anna11 [10]

Answer:

It is a seeded vascular plant.

It does not depend on insect pollination.

Explanation:

The complete question is: <em>A scientist has discovered a new plant species in the Amazon rainforest. She tells her fellow scientists that the plant she has found produces a cone. What might they say about how this plant is different from an angiosperm? Its seeds have one or two cotyledons. Its stems' vascular bundles are scattered. It does not depend on insect pollination. It is a seeded vascular plant. </em>

<em />

<em>The correct option would be that the plant is a seeded vascular plant and does not depend on insect pollination.</em>

Gymnosperms are the only group of plants that produce cones. They are one of the plant groups that have vascular tissues in the form of xylem and phloem as well as been able to produce seed in the form fo cones. Hence, they are said to be seeded vascular plants.

Gymnosperms also carry out their pollination by relying solely on wind for the transfer of their pollen grain to the female organ. In other words, they do not depend on insect for pollination.

8 0
3 years ago
A population of deer lives in Canada. Over 50 years, the size of the deer
Luda [366]

Answer:

hunting.

Explanation:

over 50 years canada's population has risen and along with a bigger population comes more hunters

7 0
3 years ago
The function of meristematic
ArbitrLikvidat [17]

Answer:

Primary meristematic tissue helps the plant increase in length or vertical growth, meaning it helps the plant grow up toward the sun and down into the soil.

4 0
3 years ago
tropical rain forests cover a small part of the planet yet they contain more species of plants and animals than all other biomes
liberstina [14]

True. if it is a true/false question the answer is True.

4 0
3 years ago
What is the first step in the cell reproduction process?
Makovka662 [10]

Answer:

A

Explanation:

DNA must first be replicated before anything else occurs.

8 0
3 years ago
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