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mina [271]
3 years ago
7

D

Biology
1 answer:
Kruka [31]3 years ago
7 0

Answer:

last one it's correct sorry if I'm wrong

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17. Everything is pulled up / down by gravity. <br> A)up<br><br> B) down
pickupchik [31]

Answer:

down

Explanation:

because gravity come from the center of the earth the gravitational pull, pulls us down.

6 0
3 years ago
Diagram of a dividing cell of an organism which has a diploid chromosome<br> number of 4
Nata [24]

The type of cell division observed in the Figure is Meiosis. It can be deciphered by the presence of recombination between homo-logous chromosomes.

<h3>What is Meiosis?</h3>

Meiosis is a type of reductional cell division by which a cell produces four daughter cells having half of the genetic material.

Meiosis is a cell division that involves a genetic phenomenon known as recombination or crossing over.

Recombination refers to the exchange of genetic material between non-sister chromatids during Prophase I.

Learn more about meiosis here:

brainly.com/question/8253366

8 0
1 year ago
______ nations are those who do not have the resources to carry on productive trade agreements.
Marrrta [24]
Multilateral nations are those who do not have the resources to carry on productive trade agreements. 
6 0
3 years ago
Read 2 more answers
A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 4 picograms of DNA
damaskus [11]

Answer:

b: 8;8

Explanation:

Mitotic or meiotic cell division constitute the m phase of the cell cycle. At the end of the m phase, the new cells enter the interphase stage of the cell cycle. The interphase is further sub-divided into;

  • <em>the G_0 phase,</em>
  • <em>the G_1 phase,</em>
  • <em>the S phase; and</em>
  • <em>the G_2 phase</em>.

The G_0 phase is essentially a resting phase. Cells that do not need to divide except when necessary move into this phase after exiting the m phase.

Actively dividing cells enter the G_1 phase after exiting the m phase. Cell development and growth takes place. From there, the cells enter the S phase where DNA replication/synthesis takes place. The cells then enter the G_2 phase where proteins are synthesized in preparation for division or m phase.

At the S phase, the amount of DNA a cell carries is doubled but the chromosome number remains the same. For example, if a cell enters the S phase with 2 g of DNA containing 10 chromosomes, at the end of S phase, the amount of DNA would have come 4 g while the number of chromosomes will remain 10.

Hence, if the average amount of DNA in the assayed cells immediately after mitosis is 4 picograms, the amount would be 8 picograms at the end of S phase and will still remains 8 picograms at the end of G_2 phase.

The correct option is b.

8 0
2 years ago
Which model represents a possible chemical reaction
SOVA2 [1]

Answer: A I think

Explanation: I'am really sorry if i'am wrong

3 0
2 years ago
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