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Ratling [72]
2 years ago
6

Choose a plant or animal that you think is interesting. describe some of the threats or challenges

Biology
1 answer:
Natasha_Volkova [10]2 years ago
8 0

Answer:

If I were to choose a plant or animal which is interesting, I'd choose the "cactus."

Explanation:

A "cactus" is truly a splendid plant owing to its <em>ability to survive in the desert </em>or<em> periods of drought.</em> Growing them is also not that challenging or difficult. However, this plant is prone to certain threats that may lead to its extinction.

  • One of these threats is the <em>"over-collection of cacti." </em>Due to its versatile use, the cactus is often sold as an ornamental plant.
  • Another threat is the number of pests, such as <u>snails</u> and<u> slugs</u>, that attacks it yearly. It is a delicious food for<em> mealy bugs, red spider mites, gnats, flies, etc.</em>
  • People often misunderstand the <u>cactus' water level need</u>s. Some people over-water the plant and this often results to the bacteria, virus and fungi being attracted to it.
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Which of the following statements is an accurate description of proteins? Which of the following statements is an accurate descr
Brut [27]

Answer:

b. the 20 amino acids found in proteins differ in the composition of their R groups, which may be either polar or charged.

Explanation:

Since the proteins are polymers joined by a big number of amino acids, all the joins occur the same way because in all the amino acids there is always one part that is exactly the same in all of them.

The rest of the molecule in the amino acids, the R group, is different in each one, that is the characteristic of each one, and this is the part that can give the name and some other chemical properties.

5 0
1 year ago
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Which pituitary hormone causes liver cells to release somatomedins that increase the rate of uptake of amino acids by cells such
Goryan [66]

Question: Which pituitary hormone causes liver cells to release somatomedins that increase the rate of uptake of amino acids by cells such as skeletal muscle fibers?

follicle-stimulating hormone

prolactin

thyroid-stimulating hormone

growth hormone

Answer:

growth hormone

Explanation:

Somatomedins are growth factors. The growth hormone makes the cells such as liver cells, skeletal muscles, bones, etc. to secrete the somatomedins. The somatomedins from the liver enter the bloodstream to reach the target cells. The somatomedins make the skeletal muscles, bones, etc. to absorb amino acids into the cells so as to facilitate protein synthesis. This growth factor also downregulates the breakdown of proteins. This is how growth hormone triggers the growth of muscles and soft tissues.

5 0
2 years ago
Which of these best describes the tiny leg bones that some whales have, which do not aid in their movement or serve any other fu
Ainat [17]

Answer:

D. structures that have lost all or most of their function over evolutionary time

Explanation:

the question states that the leg bones are almost entirely unused because of evolution

6 0
1 year ago
Certain cells that line the stomach synthesize a digestive enzyme and secrete it into the stomach. This enzyme is a protein. Whi
Anuta_ua [19.1K]

Answer:

<em>The process of </em><u><em>exocytosis </em></u><em>could be responsible for its secretion. </em>

Explanation:

Exocytosis can be described as a process in which molecules are transported out of a cell in vesicles. The process of exocytosis usually requires energy as molecules are moved out of a cell by the method of active transport.

As certain cells that line the stomach secrete a protein and release it into the stomach we can infer that the process is exocytosis. Peptides, hormones and various antibodies are also transported to different locations through the process of exocytosis.

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1 year ago
The selection process helps sustain the? organization's culture by? ________.
Lana71 [14]
By ensuring a proper match of personal and organizational values
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2 years ago
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