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nalin [4]
3 years ago
10

The body's ability to maintain a relatively constant internal environment is called homeostasis. This stability can be challenge

d by(There can be more than one answer)
reduced water or food intake
infectious organisms.
elevated or depressed blood pH
extreme temperatures.
Biology
2 answers:
garri49 [273]3 years ago
6 0

Answer:

All options are correct

Explanation:

Homeostasis is the ability of body to maintain stable internal environment. This is possible only when all the internal body organs and systems are performing well. In order to achieve such conditions, all functions are to be maintained at cellular level such as food ingestion, digestion, excretion, material exchange, reproduction, obtaining energy from mitochondria etc.  

If any of these functions is destabilized at cellular level due to change in external environment, then the overall internal stability of the body will get destabilized.  

Hence,  all the options are correct

Anit [1.1K]3 years ago
5 0

Homeostasis can be defined as the state of maintenance of the constant internal conditions by the living organisms. The homeostasis is maintained by the body so that it may function properly. The homeostasis will be disturbed by the reduced intake of the food and water. Healthy intake of water and food is essential in maintaining the homeostasis of the body. The elevated or depressed blood pH along with extreme body temperatures will also disturb the homeostasis of the body making the person sick. Moreover, certain infectious organisms also alters the homeostasis of the body.

Hence, all the options are correct.

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Answer: All living things are comprised of cells are in the case of unicellular organisms a cell. And what determines if something is living is whether are not it can reproduce without the assistance of a host organism. Some organelles all cells contain whether prokaryotic are eukaryotic are cell membranes Genetic material (DNA and forms of RNA) a cytoplasm and ribosomes. Obviously there are many more organelles but these are some shared by all cells whether prokaryotic, eukaryotic or plant a type of eukaryote.

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What two types of amino acid sequences are needed in a protein to mediate post-translational farnesylation?
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Answer:

Post translation farnesylation may be defined as a type of prenylation in which the isoprenyl group is added to the cysteine residues of the protein. This modification is important for protein and membrane interaction.

Basically two types of amino acid are required for the farsenylation modification. The signal peptide sequence is the short amino acid sequence that targets the ribosome in the endoplasmic reticulum. The sequence is generally lysine, aspartic acid, glutamic acid and leucine. The second sequence must be Caax (C is cysteine, a is aliphatic amino acid and X consists of C terminal amino acid.

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Explanation:

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3 0
3 years ago
A protein that contains more isoleucine, phenylalanine and leucine than asparagine, lysine and arginine is most likely ________.
Snezhnost [94]

Answer:

The correct answer is: Hydrophobic, Hydrophobic.

Explanation:

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  • The amino acids can be broadly classified into non-polar and polar.
  • The non-polar amino acids can be defined as those amino acids whose side chains possess hydrocarbon molecules only. They do not possess any charge and are incapable of forming hydrogen bonds with water molecules. They tend to avoid water and so they tend to remain buried into the interior of a protein. Examples can be illustrated as Leucine, Valine, Isoleucine, Phenylalanine, etc.
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6 0
3 years ago
1. A rock sample has a mass of 16 grams:
Morgarella [4.7K]

Answer:

(3) 4 cm' and 2.0 g/cm3

Explanation:

Given:

volume= V= 8 cm³

mass= m= 16 g

The density is the mass per volume of a substance, so the density of the rock is:

density= d= 16 g/8 cm³= 2 g/cm³

When we cut the rock in half, we have a half volume and a half mass:

V= 8 cm³/2= 4 cm³

m= 16 g/2= 8 g

But the density is not altered because it is an intrisic property - it does not change with the amount of subtance. Thus, the density of a half rock is:

d = m/V= 8 g/4 cm³= 2 g/cm³

4 0
2 years ago
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