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3 years ago

A type of membrane which allows only certain molecules to pass through is called?

Biology

2 answers:

MatroZZZ [7]3 years ago

7 0

I'm pretty sure it's a cell membrane

Alexeev081 [22]3 years ago

6 0

Cell Membrane which is a Selectively Permeable Membrane.

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How do you create a “killed vaccine”?

vesna_86 [32]

Answer:

An inactivated/killed vaccine is a vaccine consisting of either whole viruses or bacteria, or fractions of either, that have been grown in culture and then killed using physical (heat, or radiation) and chemical methods (usually formalin).

Explanation:

Virus: Measles vaccine, mumps vaccine, rubella ...

Bacteria: BCG vaccine, typhoid vaccine

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3 years ago

Why are peas carbohydrates

andreev551 [17]

Complex carbohydrates are made up of sugar molecules that are strung together in long, complex chains. Complex carbohydrates are found in foods such as peas, beans, whole grains, and vegetables. Both simple and complex carbohydrates are turned to glucose (blood sugar) in the body and are used as energy.

Explanation:

<h2>Hope this helps you !! </h2>

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2 years ago

What is the process which scientists grade the work of other scientist before published?

Finger [1]

The process is called Peer-Reviewing. In Peer-Reviewing, scientists/academic peers "peer review" the work of a scientist to check for accuracy or any false information that might reduce the legitimacy of their study or change "how realistic/real" their study is.

p.s. This is also common sense because scientists make up an entire scientific community who base their scientific studies on consistency and accuracy.

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3 years ago

The alternative form of a gene controlling a given characteristic is called: a mutation gene b an allele

harkovskaia [24]

an ellele is the alternative form.

5 0

3 years ago

What are the functions and vessels of the heart, and what are some cardiac disorders that might be life-threatening to a person

zavuch27 [327]

Answer:

The cardiovascular, or circulatory, the system supplies the body with blood. It consists of the heart, arteries, veins, and capillaries. but the things that might be life-threatening to a person or animal are;

Explanation: angina is a type of chest pain that occurs due to decreased blood flow into the heart this can harm animals and people. there is also - - - arrhythmia,which is or an irregular heartbeat or heart rhythm,

- congenital heart disease, in which a problem with heart function or structure is present from birth.

-coronary artery disease, which affects the arteries that feed the heart muscle.

- Heart attack, or a sudden blockage to the heart’s blood flow and oxygen supply this can kill. heart failure, wherein the heart cannot contract or relax normally,

- dilated cardiomyopathy, a type of heart failure, in which the heart gets larger and cannot pump blood efficiently and the last one is

- hypertrophic cardiomyopathy, in which the heart muscle walls thicken and problems with the relaxation of the muscle, blood flow, and electrical instability develop

these are only a few that can harm or even kill a living thing like and animal or person these things are really harmful.

I hope this helps you!!

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2 years ago