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Lena [83]
3 years ago
13

How do mutations enter the gene pool? Why are they important to natural selection?

Biology
1 answer:
IRINA_888 [86]3 years ago
8 0
The set of all alleles at all loci is the full gene pool<span> for the species. Over time, the size of a </span>gene pool<span> changes. The </span>gene pool<span> increases when a </span>mutation<span> changes a </span>gene<span>and the </span>mutation<span> survives </span>
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What is a front?<br><br> -Air Masses and Fronts 9th grade science- <br> HELP ASAP
frez [133]

A air front is typically a transition zone between two unique temperature/humidity. Usually, one front would push the other away (typically if summer is hot, then the warm front will push away the cold, and for the winter, if it's cold, it's the opposite).

A stationary front, on the other hand, is when there is no change in the over all temperature for the region(s), and a occluded front is when the fronts mix, where it is followed by rain and a equillibrium of the temperature, whether to a warmer or cooler overall temperature.

~

5 0
2 years ago
Which organelle would play the most direct role in eliminating bacteria engulfed by a phagocytic white blood cell?
skelet666 [1.2K]

Answer: Option D) Lysosome

Explanation:

The lysosome is an organelle found in cells of eukaryote.

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- and helps to remove wastes from the white blood cell.

4 0
3 years ago
Adrenergic receptors Select one: a. can be activated by the release of epinephrine. b. have two structural forms - muscarinic an
LekaFEV [45]

Answer:

The correct answer is  a. can be activated by the release of epinephrine.

Explanation:

Epinephrine is a hormone and neurotransmitter naturally secreted by the body through the adrenal glands, synthesized and stored in the adrenal medulla and released into the systemic circulation. Epinephrine is a non-selective adrenergic agonist, stimulating alpha1-, alpha2, beta1, and beta2-adrenergic receptors. The systemic actions of catecholamines are mediated by the binding of these compounds to plasma membrane receptors, of the GPCR type widely distributed throughout the body and known as adrenergic receptors, which are activated by the catecholamines adrenaline (epinephrine) and noradrenaline . These receptors cause different effects depending on the G protein subtypes to which they are associated and the signal transduction mechanism linked to the specific G protein.

4 0
3 years ago
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Bess [88]

In this case, the physiotherapist is using Constraint-induced movement therapy.

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6 0
3 years ago
What is the most likely reason that a long beak could be an adaptation for a bird living in a temperate forest?
madreJ [45]

A temperate forest is likely to have numerous flowers from flowering plants. Flowers are an evolutionary trend in flowering plants to attracts animals to facilitate pollination. The flowers contain nectar that attracted birds, bees and other nectar-sucking animals. The nectar is produced by nectaries in hollow tube in the flowers. Therefore for birds to access the nectar they require to have long slender beaks as an adaptaition.  





4 0
3 years ago
Read 2 more answers
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