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Inessa05 [86]
3 years ago
15

QUESTION 1 (POLL)

Biology
2 answers:
Arisa [49]3 years ago
7 0

Answer:

True.

Explanation:

PSYCHO15rus [73]3 years ago
3 0
That is very much true
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What is not a characteristic of the cortical nephrons?
Pani-rosa [81]

Answer:

Their nephron loop is closely wrapped with vasa recta.

Explanation:

Cortical nephrons are located in the cortex.

They form 85% of all the nephrons in the kidney. They are located mostly within superficial cortex of kidney. The loop of henle of a cortical nephron is relatively short and hence not closely wrapped with vasa recta. Efferent arteriole delivers blood to a network of peritubular capillaries.

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3 years ago
Which of the following is an example of reproductive isolation? two populations of finches that cannot produce viable offspring
OverLord2011 [107]

The correct answer is A. Two populations of finches that cannot produce viable offspring

Explanation:

Reproductive isolation is a biological and evolutionary phenomenon that prevents two species from successfully reproducing, this means they cannot produce offspring or the offspring is not fertile, even if these species had a common ancestor. Additionally, as a result of reproductive isolation, each species keeps its genes and features. This phenomenon is best exemplified in "Two populations of finches that cannot produce viable offspring " because this refer to the barriers for different species to reproduce or produce viable offspring, which is the focus of reproductive isolation.

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3 years ago
The color blindness gene is recessive and X linked. It is written as Xb. A woman who is color blind has a son with a man with no
Taya2010 [7]

Answer:

XbY

Explanation:

The gene responsible for colorblindness is written as Xb since it is present on the X chromosome. In humans, sons get their X chromosomes from the mother while inheriting the Y chromosome from the father. In the given cross, the genotype of the colorblind mother would be XbXb (the X-linked recessive traits such as colorblindness are expressed in homozygous conditions in females).

She would transmit one copy of "Xb" to her son. The genotype of the father would be "XY" and he will give "Y chromosome" to the son. Therefore, the genotype of the son would be "XbY".

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Channels within the structure of the cell membrane are composed of
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When caring for a client who is on intravenous therapy, the nurse observes that the client has developed redness, warmth, and di
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