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Korolek [52]
2 years ago
13

Can someone please help me I’m stuck on this question!!

Biology
1 answer:
Lina20 [59]2 years ago
4 0

Answer:I think that answer is b

Explanation:

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The difference in the concentration of dissolved particles from one location to another is called a..,
Tema [17]

Answer:

<h2>Concentration Gradient </h2>

<h3>Hope it helps you </h3>

3 0
2 years ago
If there are 10 chromosomes in a particular cell at the start of prophase how many will be present in the same cell at the end o
Ilia_Sergeevich [38]

Answer:

20 chromosomes

Explanation:

Mitosis is a kind of cell division that results in daughter cells with same number of chromosomes as the parent cell. It involves stages including Prophase, Metaphase, Anaphase and Telophase. In prophase, the Chromatin condenses into Chromosomes.

In Anaphase stage, the 10 chromosomes as mentioned in the question divides into opposite poles of the cell. One individual chromosome contains two sister chromatids, which actually separates in the Anaphase stage. Hence, at the end of the Anaphase stage, there will be 10 chromatids each at opposite poles of the cell. Each chromatid at this stage is considered a chromosome.

Hence, a cell with 10 chromosomes will contain 20 chromosomes (10+10 chromatids on each pole) in the Anaphase stage just before the cell divides into two in a process called CYTOKINESIS.

4 0
3 years ago
What is Primary succession is mostly caused by
Alexeev081 [22]

Primary succession occurs in essentially lifeless areas—regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier

3 0
3 years ago
Please help me asap​
GaryK [48]

Answer:

answer is asteroids and comets

Explanation:

Planets and Meteors: a planet is far larger than a meteor

Moons and Meteors: a moon is larger than a meteor

Comets and planets: a planet is far larger than a comet

6 0
2 years ago
Why are lethal dominant alleles so much more rare than lethal recessive alleles?
juin [17]

Lethal alleles cause the death of an organism prenatal or after the birth. Lethal alleles are usually a consequence of a mutation and they can be recessive, dominant or conditional. Since the lethal dominant alleles are harmful whether they are carried in homozygous (e.g.AA) or heterozygous (e.g.Aa) form,  a strong selection against them is present and thus these alleles are much more rare.

5 0
2 years ago
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