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Kaylis [27]
3 years ago
5

Every hiv particle contains two rna molecules. if two genes from one rna molecule become detached and then, as a unit, get attac

hed to one end of the other rna molecule within a single hiv particle, which of these is true
Biology
1 answer:
myrzilka [38]3 years ago
7 0
Maybe, not sure, may need to check yahoo answers for this one
You might be interested in
compare the four kinds of tissues connective tissue, epithelial tissue, muscle tissue, and nervous tissue. hi and also if you do
kirza4 [7]
<h3><u>Connective tissue:</u></h3>

It is the layer under the epithelial tissue in the body. It is stronger than epithelial tissue and is found in many organs. It provides protection.

<h3><u>Epithelial tissue:</u></h3>

It covers the outside of the body like a veil. located in the outermost part of the body. Protects the body against microbes and infections.

<h3><u>Muscle tissue:</u></h3>

It is located in the joint areas and forms the support and movement system. It allows us to make bodily movements.

<h3><u>Nervous tissue:</u></h3>

It is the fastest communication tissue. It allows us to feel pain and the sense of touch. It is impossible to repair this tissue after it is damaged. It causes paralysis. It is very important as it plays a role in the activity of neural transmission.

3 0
3 years ago
People with diseases that result in the malabsorption of which nutrient are at risk for a vitamin d deficiency?
grigory [225]

Inadequate dietary vitamin D or its deficiency leads to malabsorption of calcium. Nutritional disorder leads to the rare disease rickets, which causes bones to become soft and bend in children. In adults, vitamin D deficiency leads to osteomalacia, which causes weak bones, bone pain and muscle weakness.

The body needs vitamin D to properly absorb calcium and phosphorus from the diet. However, keeping the right quantities of calcium and phosphorus in bones is challenging when vitamin D levels are low.

The two sources of vitamin D are-

  • Natural sunlight
  • Foods such as fish oil, Egg yolk and fatty fishes like salmon and mackerel

There are other disease conditions which lead to poor absorption of vitamin D-

  • Inflammatory bowel disease
  • Celiac diseases
  • Kidney problems

To learn more about Rickets here-

brainly.com/question/26292489

#SPJ4

6 0
2 years ago
What happens during the<br>Calvin cycle?​
stepan [7]

Answer: The Calvin cycle has four main steps: carbon fixation, reduction phase, carbohydrate formation, and regeneration phase. Energy to fuel chemical reactions in this sugar-generating process is provided by ATP and NADPH, chemical compounds which contain the energy plants have captured from sunlight.

Explanation:

4 0
3 years ago
Explain the role of a hypothesis in a scientific investigation.
k0ka [10]

Answer:

A hypothesis is a testable proposition

used to explain scientific phenomena. It

may be based on previous observations

(a sort of educated guess) or it may

simply be a hunch. Most scientific

hypotheses are combinations of

observation and intuition. The important

thing is that the hypothesis be testable.

If the hypothesis is disproved through

testing, then it is discarded and a new

hypothesis is proposed. If the hypothesis

stands up to rigorous testing, then our

faith in the hypothesis is increased.

This system of careful, rigorous, and

unbiased testing of a hypothesis is what

characterizes the scientific method.

Hope it helps!

4 0
3 years ago
An adolescent is brought to the ambulatory care clinic after being hit in the eye during a sporting event. There is no serious d
Tatiana [17]
<h2>Simple contusion </h2>

Explanation:

Simple contusion in eye

  • Simple contusion is also known as bruise or commonly known as black eye which is used to describe the discoloration that occurs around an eye after a trauma to the eye or surrounding tissues
  • It is caused by broken blood vessels under the surface of the skin is typically accompanied by swelling
  • A serious condition that can accompany a black eye is bleeding inside the eye, in the space between the back side of the cornea and the front of the iris which is called hyphema

Scleral hemorrhage

  • Scleral hemorrhage also known as subconjunctival hemorrhage
  • When small and delicate blood vessels break beneath the tissue covering the white of the eye (conjunctiva), resulting eye redness then this condition is known as subconjunctival hemorrhage
  • A subconjunctival hemorrhage usually is benign, causing no vision problems or significant eye discomfort despite its conspicuous appearance
  • But eye redness also can be a sign of other types of potentially serious eye conditions
8 0
4 years ago
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