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Bingel [31]
3 years ago
14

Messenger RNA carries to make a particular what?

Biology
1 answer:
vfiekz [6]3 years ago
4 0
A protein from a gene
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The Himalayan rabbit's habitat has cold, snowy winters and mild summers. The body is
marysya [2.9K]

Answer:

F. The genes for black hair were activated by specific temperatures

Explanation:

The white hair only grows in cold temperatures. Just because they put an ice pack on the rabbit does not mean that its cold.

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What type of glial cell acts locally to maintain normal electrolyte composition of the cerebrospinal fluid?
nikitadnepr [17]

Answer:

Astrocytes

Explanation:

Astrocytes are specialized glial cells found in the brain and spinal cord, they are responsible for maintaining the electrolytic composition of the cerebrospinal fluid, induce the formation of the blood-brain barrier and act as a support and guide for neurons during migration. They keep the ionic composition of the extracellular fluid of the central nervous system through the water channels, Aquaporin-4 (AQP4) and K channels, located in the pedicle processes of the astrocytes in the perivascular space, these cells exchange K and water in said perivascular medium away from the neurons. Astrocytes selectively edematize during hypotonic stress, while neurons do not.

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What are some outcomes of nuclear fusion?
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Answer:

A. produce larger materials from the collision of smaller materials

Explanation:

The outcome of nuclear fusion reaction is that it produces larger materials from the collision of smaller materials.

  • Nuclear fusion is the combination of small atomic nuclei into larger ones with the release of a large amount of energy.
  • The energy released provides the needed temperature for another set  of atoms to fuse.
  • This process in turn yields a bulkier material accompanied with the release of a lot of energy.
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3 years ago
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The cholera toxin, an AB exotoxin, attaches an ADP-ribose group to the host's stimulatory G factor (Gs). The normal function of
SCORPION-xisa [38]
<h2>b) option is correct </h2>

Explanation:

  • Some bacterial toxins cause disease by  altering the activity of G protein, cholera toxin is one of them
  • Cholera toxin catalyse ADP ribosylation of Gs and blocks GTPase activity thus Gs GTP become permanently active
  • Constitutive activation of Gs protein continuously induce adenylyl cyclase, cytosolic cAMP level rises that leads to activation of protein kinase A (pKA)
  • Activated pKA catalyse phosphorylation of two transmembrane proteins of intestinal epithelial cells:
  • CFTR cause excessive outflow of Cl- ion and Na+ H+ exchange cause efflux of Na+ ion, both enters in gut and form Na+ Cl-
  • Na+Cl- leads to outflow of water from the gut, resulting in diarrhea and dehydration and this condition may cause death of organisms due to loss of water and ions  
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What is the difference in inheritance between boys and girls for sex linked traits
avanturin [10]
Boys get dominant traits

7 0
3 years ago
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