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cestrela7 [59]
3 years ago
14

Which of these statements is true?

Biology
1 answer:
kakasveta [241]3 years ago
6 0
C, its good to have a proper resource
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Which stains are used to visualize structures in the bacterial cell wall
Alika [10]

Answer: Acid-fast and Gram

Explanation:

The gram stains peptidoglycan and the acid-fast stain stains mycolic acid, which are both in the cell wall.

7 0
2 years ago
A Paramecium has an internal sucrose concentration of 0.040 M, a glucose concentration of 0.035 M, and a fructose concentration
Nadusha1986 [10]

Answer:

<u>c. Sucrose and glucose</u>

Explanation:

The paramecium is a large, single-celled microbes, surrounded by a plasma membrane. Simple diffusion occurs in cells across plasma membranes, as a form of passive transport. In diffusion, solutes move from regions of high concentration to regions of low concentration across the plasma membrane.

Here, the internal environment has higher concentrations of sucrose and glucose, but lower concentrations of fructose, thus the solutes will move along their concentration gradient, to where the concentrations are lower. In order for the fructose molecules to move out of the cell, the molecules have to move against their concentration gradient - a process requiring energy known as active transport.  

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3 years ago
In eukaryotes, extranuclear inheritance occurs when genetic information is transmitted by mechanisms other than through nuclear
Vlad [161]

Answer:

- cpDNA organization is more similar to that of prokaryotes than eukaryotes

- chloroplast chromosomes contain genes that are involved in photophosphorylation

6 0
3 years ago
If the release of thyroid hormone (TH) was regulated by a long-loop negative feedback, where would you find the cells that are i
pav-90 [236]

Answer:

Hypothalamus and anterior pituitary gland.

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Lower levels of T3 and T4 in the blood or lower metabolic rate serve as signal and stimulate the release of thyrotropin-releasing hormone (TRH) from the hypothalamus. The TRH stimulates the anterior pituitary gland to release thyroid-stimulating hormone (TSH) which in turn makes the thyroid gland to release the thyroid hormones.

The elevated levels of thyroid hormones inhibit the release of TRH from the hypothalamus and that of TSH from the anterior pituitary gland.

Hence, the cells of hypothalamus and anterior pituitary gland would be inhibited by the binding of thyroid hormone to regulate the release of these hormones by a negative feedback mechanism.

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Why are the symptoms of vascular neurocognitive disorder so different in each patient?
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Each patient is different from any other ,
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