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professor190 [17]
3 years ago
8

Which stage comes first in the process of embryonic development

Biology
1 answer:
PilotLPTM [1.2K]3 years ago
8 0
After conception, the next 2 weeks is the germinal stage 
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The first organism in a food chain is always an autotroph. They are producers.
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According to the textbook, what role does the stomach play in feelings of hunger?
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Falling action for the movie coco
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Any organism that can synthesize organic compounds like glucose are called
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Answer:

Answer ...They are Autotrophs.

Explanation:

Autotrophs are the group of animals capable of producing their foods. They are referred to as the producers. Plants are regarded as the prime examples of autothrophs. Basically , autotrophs can be categorised into two, these are

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4 years ago
Which statement best predicts why a cell's progression through the cell cycle might be halted by the G1/S checkpoint?
velikii [3]

Answer:

The missing options are:

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D. Proteins necessary for M phase of the cell cycle have not been produced.

The correct option is <u>C.There are not enough nucleotides available to construct new DNA.</u>

Explanation:

During the G1 phase, the cell grows in size since it prepares its organelles and molecule combinations for the next phase of the cell cycle, the S phase. Before the cell transitions to the S phase, it has to pass through a checkpoint that makes sure that there are no mutations, it has grown enough, and has the necessary molecules for the next phase, which is the synthesis of DNA. If there are not enough nucleotides, the cell will not be able to synthesize new DNA in the S phase, so the checkpoint stops the cells from moving to this phase till it has all the necessary things to do it.

4 0
4 years ago
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