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butalik [34]
3 years ago
12

Crossing-over contributes to the recombination of genetic material in offspring. When does crossing-over happen during meiosis?

Biology
1 answer:
Elza [17]3 years ago
5 0
When spindle fibers move the chromosomes toward the midline of the dividing cell
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"Most populations demonstrate _____ growth, in which the population size increases exponentially until it levels off near the ca
slava [35]

Answer:

The correct answer is c) logistic

Explanation:

Logistic growth occurs during a population growth when the resources are limiting. During logistic growth sigmoid (S-shaped) growth curve is produced when population size is placed over time.  

In logistic growth first the population increases slowly then after some time it increase on the logarithmic phase until it levels off near the maximum carrying capacity due to environmental resistance. Beyond this maximum carrying capacity growth rate does not increase and becomes constant.

This generates an s-shaped curve called a sigmoid curve which shows the logistic growth. So the correct answer is c.

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3 years ago
Examine the Role of Lipids in Your Body Fat around organs
Bogdan [553]

Explanation:

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If a cell were treated with poison to block to function of its michocondria which of the following would be likely result?
blagie [28]
<span>The pH of the matrix increases and the pH of the inter membrane cell decreases
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The reason behind this is the presence of the electron transport chain within the mitochondria which requires the transport of hydrogen ions. The movement of hydrogen ions results in varying pH. If the mitochondria dies, the hydrogen ions will not move into the matrix, causing its pH to increase, and they will build up in the inter membrane causing a decrease in pH.
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3 years ago
How is gene regulation in prokaryotes and eukaryotes similar? How is it different?? (24 Points)
pantera1 [17]
Prokaryotes are cells and eukaryotes are organisms
8 0
4 years ago
Do abiotic elements interact with biotic elements in an ecosystem?
myrzilka [38]

Answer:

<em>Yes, the abiotic components interact with the biotic components in an ecosystem.</em>

Explanation:

The abiotic components are the non- living components of an ecosystem. The biotic components are the living components of an ecosystem. Abiotic factors such as sunlight, temperature etc directly affect the biotic components.

For example, the light of the sun is an abiotic component which provides energy to the biotic components, plants, to produce food. Soil is also an abiotic component which provides nutrients and water for the plants which are biotic components.

4 0
3 years ago
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