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Elis [28]
2 years ago
5

Which type of organisms get their energy directly from the Sun?

Biology
2 answers:
Gwar [14]2 years ago
7 0

A. Producers is the answer.

Alborosie2 years ago
5 0
Option A producers is answer
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Crossing over contributes to genetic variation by exchanging chromosomal segments between:_____.
yulyashka [42]

Crossing over contributes to genetic variation by exchanging chromosomal segments between non-sister chromatids of homologous chromosomes.

What is crossing over?

  • Crossing over is the exchange and recombination of genetic components between the homologous chromosomes.
  • This occurs in the pachytene stage of the meiosis-1 of the meiotic division.
  • Crossing over occurs with the help of an enzyme and the enzyme responsible for crossing over is called Recombinase.

Thus, crossing over contributes to genetic variation by exchanging chromosomal segments between non-sister chromatids of the homologous chromosomes.

Learn more about crossing over: brainly.com/question/927405

#SPJ4

3 0
2 years ago
Describe the process of seed germination
Slav-nsk [51]
Basically the seed contains 2 parts, the testa, which is the seed coat that protects the seed and cotelydon, which is the inside of the seed, containing the radical and plumle.
for seed to germinate, we need 3 basic conditions,
warmth, it is the suitable temperature for seed germination, it can influence the activity of enzymes. providing a optimum temperature
water, to soften down the testa so that the shoot can break out from the testa
and oxygen, for aerobic respiration
.
If these conditions are absent, the seed may be in the state of dormancy. where is won't germinate until it meets the suitable conduction.
after that, the enzyme will digest the nutrient inside the seed and provide amino acid, which is necessary to seed germination. and meanwhile the aerobic respiration provides energy, so that the plumlecan shoot out, and be the shoot of the plant.
and then until it grows leaves, it'll start to complete photosynthesis, instead of using the nutrients inside the cotelydon.
7 0
2 years ago
Which statement about ocean surface currents is false
EastWind [94]

Answer:

B: "They have no effect on air temperature over land on the coast."

Explanation:

Edg 2021

6 0
3 years ago
Read 2 more answers
Which of these is the correct amino acid chain produced from the DNA template strand? F Arginine -Leucine -Proline -Asparagine -
Lostsunrise [7]

Answer:

Arginine - Leucine - Proline - Asparagine - Lysine - Arginine

Explanation:

6 0
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Four types of motile cells in human body?
masya89 [10]

I know some of them.

For instance, blood cells, nerve cells, sperm cells, and egg cells.

5 0
3 years ago
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