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Naya [18.7K]
3 years ago
8

How do proteins travel from the endoplasmic reticulum to the Golgi?

Biology
1 answer:
solmaris [256]3 years ago
5 0
A part of the endoplasmic reticulum pinches off forming a transport vesicle.
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Each child born to a particular set of parents has probability 0.25 of having blood type o. if these parents have 5 children, wh
Taya2010 [7]
Use binomial distribution with p=0.25, n=5, x=2
P(X=x)=C(n,x)p^x (1-p)^(n-x)

P(X=2)=C(5,2) 0.25^2 0.75^(5-2)
=10*0.0625*0.421875
=0.26367

So the probability of 2 of 5 children having type-O blood from these parents is 0.26367.

7 0
3 years ago
Which structure or organelle is found in both prokaryotic and eukaryotic cells? A) ribosomes B) chloroplasts C) mitochondria D)
rjkz [21]

Answer:

The correct answer would be A) ribosomes.

A ribosome is a vesicular structure present in both prokaryotic and eukaryotic cells. They consist of ribosomal RNA and associated proteins.

They are the site of translation in both prokaryotic and eukaryotic cells.

They are made up two units which are called large sub-unit and small sub-unit.

In prokaryotic cells, 70S ribosomes are present which are made up of 50S large sub-units and 30S small sub-units.

In eukaryotic cells, 80S ribosomes are present which are made up of 60S large sub-units and 40S small sun-units.

8 0
3 years ago
Read 2 more answers
Deficiencies of carnitine, carnitine acyltransferases, or carnitine/acylcarnitine translocase affect the metabolism of long‑chai
vovikov84 [41]

Answer:

CPT-1 deficiency can cause:

Symptoms of low blood sugar (hypoglycemia)

Liver problems, such as an enlarged organ

Damage to the nervous system, caused by liver (liver) problems

Coma and sudden death

Heart failure

CPT-2 deficiency can affect each person differently, depending on how well the CPT-2 protein is working. Symptoms can be mild to severe. For certain periods, people with this deficiency may not have any symptoms. Very serious forms can affect newborns or babies. These are rarer.

The myopathic form of CPT2 deficiency causes milder symptoms. It does not cause heart or liver problems. People with this form generally have a normal life expectancy. Symptoms can start at any time up to age 60. They can appear if you skip meals, exercise a lot, or get sick. Symptoms may include:

Symptoms of low blood sugar (hypoglycemia)

Temporary muscle pain

Muscle damage

Muscular weakness

Dark urine

So, it can be said that the myopathic form is the least severe and is characterized by recurrent episodes of rhabdomyolysis, muscle pain and weakness triggered by prolonged physical exercise, fasting, viral illness or extreme temperatures. The severe infantile form is characterized by severe intolerance to fasting, leading to metabolic disorders such as hypoketotic hypoglycemia and hepatic encephalopathy. The neonatal lethal form presents with symptoms of the infantile form as well as dysmorphic manifestations (eg, cystic renal dysplasia).

Explanation:

Carnitine palmitoyltransferase (CPT) deficiency is a rare condition that causes muscle weakness and other symptoms. It occurs due to a problem with one or two enzymes, CPT1 or CPT2.

4 0
3 years ago
Which marine zone is rich in nutrients and contains a wide variety of organisms including coral reefs and kelp forests? a) Coast
STatiana [176]

Answer:

the answer is actually coral reefs

4 0
3 years ago
explain the absorption of amino acids, monosaccharides, and fatty acids from substances in the small intestine
sattari [20]

Answer: Amino acids and monosaccharides enter the cell through facilitated diffusion, and fatty acids are transformed to chylomicrons in the cell.

Explanation:

To understand how humans obtain energy from their environment, one has to understand some basic concepts:

1. Humans ingest foods that tend to be polymers, meaning that the macromolecules are organized in more complex structures and can’t be absorbed directly.

2. Our gastrointestinal tract is a specialized arrangement of organs that are in charge of digesting these polymers to smaller molecules, called monomers, that the cells lining the intestinal tract (enterocytes) can absorb.

The polymers that we obtain from the environment are proteins, carbohydrates, and fats, while the monomer that can be absorbed are amino acids, monosaccharides, and fatty acids, respectively.

Polymer digestion begins in the oral cavity, since saliva has some enzymes that can start this process (i.e: amylase, which is an enzyme that cleaves carbohydrates).

Afterwards, in the stomach, acidic chyme assist to breakdown all food element that are polymers. Additionally, some specialized cells that line the stomach cavity release proteolytic enzymes to cleave proteins (i.e. pepsinogen → pepsin. The active enzyme is pepsin, but in the cell it is stored as a zymogen, an inactive enzyme, so it does not affect the cell. The zymogen is activated when it is released in the stomach cavity).

In the first part of the small intestine, called duodenum, the food bolus will be exposed to bile and pancreatic juice, which will continue to aid the breakdown of proteins and carbohydrates. Additionally bile salts will act as act as emulsifiers, producing micelles which are more readily digested by pancreatic enzymes (lipase) into fatty acids that may be absorbed by the cells forming the lining of the gut.

4 0
3 years ago
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