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ICE Princess25 [194]
3 years ago
9

Since the beginning of the Solar system, all planets orbit or revolve around the barycenter of the solar system in a countercloc

kwise direction. true or false?
Biology
1 answer:
Ksju [112]3 years ago
4 0

Answer:

True

Explanation:

Barycenter is the center of mass of an object. Since the beginning all planets and sun have been revolving around their center of mass. This center of mass evidently is the center of the solar system . The satellite, planet and sun has been revolving and rotating in the counterclockwise around the barycenter as well as their axis

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G-protein-coupled receptor kinase specificity for arrestin recruitment to the adrenergic receptor revealed by
marusya05 [52]

 Answer: fluorescence resonance energy transfer

<span>The G-protein-coupled receptor kinases function to regulate cell signaling by phosphorylating hepta-helical receptors, thereby promoting receptor interaction with beta-arrestins. This switches a receptor from G-protein activation to G-protein desensitization, receptor internalization, and beta-arrestin-dependent signal activation that can be seen through<span> fluorescence resonance energy transfer .</span></span>
4 0
3 years ago
The human chromosome apparently lacking in gene influence is the: Y chromosome X chromosome chromosome 21
guajiro [1.7K]
Chromosome is part of a cell that carries hereditary material inform of genes, it contains DNA molecules tightly packed around histone proteins. X and Y are the sex chromosomes which influences the sex of an individual. Chromosome 21 is the smallest autosome in the human genome and exists in two pairs one inherited from either parent. In this case, the answer is the Y chromosome; sex is determined by the SRY gene which is responsible of the fetus to male. Other genes on the Y chromosome  are important for male fertility.
6 0
3 years ago
Blockage of the common hepatic duct would interfere with digestion of
vesna_86 [32]

Answer: Fat

Explanation:

The liver is one of the most important organ of the body which helps in removal of toxins from the body.

There are many functions of liver in the body but one of the main functions is that it aids in the digestion of fat by secreting bile juice.

It also processes the nutrients that is being digested and absorbed in the small intestine. The bile juice that is secreted by the liver is sent via duct to the stomach which helps in emulsification of fat.

It breaks down the large fat molecules into droplets called micelles. It also activates the enzyme named lipase which also helps in the digestion of fat.

So, blockage in the hepatic duct will interfere with the digestion of fat.

4 0
3 years ago
What is meant by the "induced fit” of an enzyme?
belka [17]
Induced Fit. When an enzyme binds to the appropriate substrate, subtle changes in the active site occur. This alteration of the active site is known as an induced fit. Induced fit enhances catalysis, as the enzyme converts substrate to product.
6 0
3 years ago
In a cross between two strains that are true breeding for purple and white flowers, the F2 phenotypic ration would be 1/4 purple
velikii [3]

Answer:

Only if one of individual has incomplete dominance.  

Explanation:

Using a Punnet square, only if one individual has incomplete dominance could have this ration.   Otherwise, if the 2 individuals had a homozygous phenotype, whit one individual for dominant and the other for recessive, the ratio would be all purple.

7 0
3 years ago
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