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Evgen [1.6K]
2 years ago
8

Question 8 (1 point) What type of cells line the collecting duct of the medullary region of the kidney?

Biology
1 answer:
irinina [24]2 years ago
8 0

Answer:columnar epithelium​

Explanation:

Collecting ducts are readily recognized in the renal medulla, as relatively large tubules lined by cuboidal epithelium, in which the epithelial cells are relatively clear (i.e., not as eosinophilic as proximal and distal tubules) and have distinct cell borders

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Nataly [62]

V

Explanation:

1. F

2.T

3.T

4.F

5.F

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3 0
2 years ago
When a coelom is formed by introducing a gap surrounded by mesodermal cells at the base of the blastula, between the ectoderm an
mariarad [96]
Schizocoelic development

The coelom is a fluid-filled body cavity, where the internal organs are suspended in. It is the cavity between the wall of the body and the digestive tract.

In the schizocoelic development of the embryo, the coelom, called the schizocoel, develops as a split in the mesoderm. The outer layer of the mesoderm attaches with the ectoderm to form a body's musculature, while the inner layer attaches with the endoderm to form the wall of the digestive tract. 

This type of development is commonly found in annelids, arthropods, and mollusks. 

3 0
3 years ago
Population A consists of 100 hens that are fully isogenic and that are reared in a uniform environment. The average weight of th
qaws [65]

Answer:

a. the environmental variance (VE) = 3.5 g ²

b. 17.5 g ² for population

c. the heritability of broad sense (H2) = 0.83

Explanation:

a.With the information we have we can infer that environmental factors influence A, which is considered isogenic, thus, the environmental variance (VE) = 3.5 g ²

b.When studying population B, comparing it without environmental changes with respect to population A, we found that its total variance (VT) = 21.0g ²

We generate the following formula with the data obtained previously to find the genetic variation

VT = VE + VG

then VG = VT-VE

replacing data:

VG = 21.0 - 3.5 = 17.5 g ² for population

c. Regarding the heritability of broad sense (H2) in population B, we can reach the result with the data previously obtained like this:

H2 = VG / VT = 17.5 / 21.0 = 0.83

7 0
3 years ago
In the Earth's mantle, heat is transferred in large convection currents. Within these currents,
yarga [219]

Answer:

D. hotter rock rises and cooler rock sinks.

Explanation:

We know that as we move <u>towards Earth's center</u>, the <u>temperature rises</u>. This rise in temperature causes rocks to melt (magma). The high temperature and melting of rocks <u>decrease the density of material </u>which makes it <u>move upward</u>. By <u>moving upward</u>, the molten rock <u>starts turning solid</u> and becomes <u>denser again</u>. Here, it <u>sinks back due to gravity</u>. This upward and downward movement of rocks due to density and temperature makes a convection cell.

PS: The formation of convection cells in Earth's interior is also the reason for plate tectonics.

3 0
3 years ago
Read 2 more answers
A virus is made up several components. What are the components?
Anettt [7]

Answer:

nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.

Explanation:

4 0
3 years ago
Read 2 more answers
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