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Softa [21]
2 years ago
7

An amoeba is a single celled organism that is often found in pond water

Biology
1 answer:
marissa [1.9K]2 years ago
8 0

Answer: Amoeba are living even though they have one cell

Explanation:

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What do checkpoints do in the cell cycle?
denpristay [2]

Answer: Checkpoints in the cell cycle A checkpoint is a moment in the eukaryotic cell cycle where the cell considers internal and external inputs before deciding whether or not to divide. There are other checkpoints, but the following are the three most important: At the G/S changeover, there is a G checkpoint.

Explanation:

knowledge!

5 0
3 years ago
WHAT IS THE cell membrane gateway system is specifically called the
jek_recluse [69]
The cell membrane gateway system you are looking for is called <span>Sodium Potassium Pump.</span>
6 0
2 years ago
Suppose a couple has come to see you to discuss the probability of their children having cystic fibrosis (CF). CF is known to be
m_a_m_a [10]

Answer:

The children that the couple may have a 25% chance of having cystic fibrosis and 75% chance of being carriers for the CF gene

Explanation:

We know that both parents are in the same situation. Let's start for example with the mother. She has one parent and one sibling with cystic fibrosis (CF). So, supposing that the allele of the gene that causes the disease is <em>"f"</em>,  as the disease is autosomal recessive, both, the parent and the sibling have the genotype ff.

Also, knowing that the other parent has a normal phenotype, but the sibling has CF, we deduce that the other parent of the mother must have a <em>Ff</em>.

So, <em>despite the mother's phenotype is normal, her genotype is Ff</em> (see the Punnett square 1) Couple's parents in the attached image). In other words, she is a carrier for the CF gene.

As the parents' situation is analogous, <em>we can deduce that the father also has a genotype Ff  </em>and is also a carrier for the CF gene.

Now, if we look at the Punnett square for them  (see the square 2) Couple in the attached image), we see that all their children will always have at least one copy of the CF allele, <em>f</em>.

More specifically, their children have 25%  chance of having cystic fibrosis and 75% chance of having a normal phenotype but being carriers of the CF gene.

6 0
3 years ago
During meiosis i, homologous chromosome pairs are separated when the centromeres split apart.
Iteru [2.4K]
<span>During meiosis I, homologous chromosome pairs are separated when the centromeres split apart.
This answer would be false.</span>
8 0
3 years ago
Mitosis is divided into phases.
earnstyle [38]
I think it might be metaphase because all of the chromosomes are lined up in the middle :) either that or anaphase!
4 0
3 years ago
Read 2 more answers
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