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dusya [7]
3 years ago
15

How do the surface proteins on a virus help it to invade a host cell?

Biology
1 answer:
Doss [256]3 years ago
8 0
They help by attaching themselves go the specific host cell and then tricks the membrane to let them in.
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The Moon's phase is waning when it changes from
alexdok [17]
A first quarter to a full moon
4 0
4 years ago
A. 4 examples of macronutrients<br> B. 2 examples of micronutrients
vovikov84 [41]
Answer:
Macronutrients: water, fat, carbohydrates, protein
Micronutrients: minerals, vitamins

Explanation:
The six types of nutrients humans need are water, fat, carbohydrates, protein, minerals, and vitamins.

Macronutrients are nutrients we need in large amounts (macro- means big).
Micronutrients are nutrients we need in small amount (micro- means small).

Consider what you eat in a day, you (should) be getting all of these.

It's recommended you have about 8 cups of water a day, which is a large amount.
Fat and carbohydrates are used as sources of energy and are consumed in large amounts.
Proteins (meats, nuts) used to build muscle are also eaten in large amount.

Minerals and vitamins have recommended intakes of milligrams (mg) which is a very small amount. They are found in traces in our food. For example, you would not fill your entire palm with calcium and eat it. You only need small amounts of calcium (probably in your milk).
5 0
3 years ago
How are scientists using new species to fight kudzu
Afina-wow [57]

Answer:

Efforts to control kudzu infestations have included the following methods: cutting, grazing, digging, prescribed burning and application of herbicides. Roots of mature plants grow too deeply to be affected by freezing. Burning will kill only the very young plants.

Explanation:

6 0
3 years ago
The outer hair cells change length in response to basilar membrane motion. What does that accomplish?
olga nikolaevna [1]

Outer hair cells change their axial dimensions in response to electrical stimulation.

What is basilar membrane motion?

Hair cell stereocilia move as a result of the basilar membrane's movement. The tectorial membrane and the hair cells, which are connected to the basilar membrane, move along with it when it moves, and the stereocilia bend in response to the relative motion of the tectorial membrane.

The hair cells that are linked to the auditory nerve fibers are stimulated by the basilar membrane's movement. While the outside hair cells actively affect the basilar membrane's vibrations, the inner hair cells convert hydromechanical vibration into action potentials.

With each sound cycle, the intracellular voltage of the outer hair cells varies, causing them to lengthen and contract. This increases the organ of Corti's vibration, enabling exceptionally high hearing sensitivity and frequency selectivity.

To learn more about tectorial membrane click on the link below:

brainly.com/question/28251599

#SPJ4

6 0
2 years ago
Which level of organization falls directly after the tissue level when listed in order from least to most complex?
Rashid [163]
Organ tissue. i think.
9 0
4 years ago
Read 2 more answers
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