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BaLLatris [955]
4 years ago
13

The most abundant class of phospholipid in animal cell membranes, with a hydrophobic tail composed of two fatty acyl chains, est

erified to the two hydroxyl groups in glycerol phosphate and a polar head group attached to the phosphate group, is called: Phosphoglyceride. Cholesterol. Glycolipid. Liposome. Phosphoglyceride and liposome.
Biology
1 answer:
dangina [55]4 years ago
6 0

Answer:

Phosphoglyceride.

Explanation:

The cell membrane or plasma membrane is made up of lipid bilayer and proteins may be inserted or spans the membrane bilayer. The carbohydrate moieties are also present in association with lipids and proteins.

The phosphoglycerides are the most class of phospholipid present in plasma membrane. The phosphoglycerides consists of lipid bilayer linked with the hydroxyl group and the phosphate group is attached with the polar head group. The phosphate group attaches with the third carbon atom of the glycerol.

Thus, the correct answer is option (1).

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Which vessel leaves the right ventricle of the heart to take oxygen-poor
BARSIC [14]

Answer:

Pulmonary artery

Explanation:

The pulmonary artery delivers oxygen poor blood to the lungs that comes from the right ventricle of the heart. The pulmonary artery is also the only artery in the body that carries unoxugenated blood. When the blood goes to the lungs, it picks up oxygen and drops off carbon dioxide to be expelled from the body. The pulmonary vein then takes the oxygen-rich blood and brings it back to the heart.

4 0
3 years ago
Were are ribosomes that synthesize proteins found?
alexandr1967 [171]
Ribosomes that synthesize proteins are normally found in the cytoplasm of eukaryotic cells. 
6 0
3 years ago
If a corn plant has a genotype SsTt, what are the possible genetic combinations that could be present in a single grain of polle
wolverine [178]

The maize plant possesses the SsTt genotype.

The F1 generation will produce the children depicted in the punnet square after they are crossed.

<h3>What is pollen grain?</h3>

A seed plant's pollen is a collection of microspores that typically takes the form of a fine dust. Each pollen grain is a tiny body with a unique shape and structure that develops in seed-bearing plants' male structures before being carried by a variety of agents (such as wind, water, insects, etc.) to the female structures, where fertilization takes place.

The genotype in question is a mono-hybrid heterozygous characteristic.

The pollen grains having a genetic combination like ST, St, sT, and st as depicted in the image will result from a cross between the two genotypes.

For more information regarding pollen grain, visit:

brainly.com/question/20638294

#SPJ1

6 0
2 years ago
Cardiac output is the amount of blood pumped by the heart in one minute. Which of these will increase cardiac output?
uranmaximum [27]

Answer: the factors that increase cardiac output include:

--> Nervous stimulation and

--> Hypertrophy of the heart.

Explanation:

Cardiac output can be defined as the quantity of blood pumped into the aorta each minute by the heart. This is also the quantity of blood that flows through the circulation. There are factors that can cause increased cardiac output or that can lead to a hypereffective heart. They are:

--> NERVOUS STIMULATION: The combination of sympathetic stimulation and parasympathetic inhibition does two things to increase the pumping effectiveness or cardiac output of the heart. These include:

• it greatly increase the heart rate from the normal level of 72 beats/mum up to 180 to 200 beats /mom.

• it increases the strength of heart contraction, which is called increased contractility to twice it's normal strength.

--> HYPERTROPHY OF THE HEART: A long term increased workload, but not so much excess load that it damages the heart, causes the heart muscle to increase in mass and contractile strength in the same way that heavy exercise causes skeletal muscles to hypertrophy. This effect of increased muscle mass of the heart, allows the heart to pump much greater than usual amounts of cardiac output.

6 0
3 years ago
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What experimental evidence led to the development of this
Serggg [28]

Answer:

A few of the positive particles aimed at a gold foil.

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3 years ago
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