Yo can someone help me out

Biology

2 answers:

levacccp [35]3 years ago

6 0

The answer is A because it is the one thing that was not changed

svet-max [94.6K]3 years ago

5 0

A constant is something that is kept the same throughout the course of a experiment. So I would guess C) because they are not doing anything special. If it’s not C then it is A. :)

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Several infections of the cardiovascular system can be identified by inspecting a stained blood smear in the microscope. For the

blsea [12.9K]

Answer:

The correct answer is option C. Epstein-Barr virus: virus visible inside red blood cells.

Explanation:

The Epstein-Barr virus is a virus or virions that cause several serious diseases such as Guillain-Barre syndrome and kind of cancers. These viruses can be detected by the making smear of blood in the electron microscope.

The electron microscope shows round capsids that have protein encased genetically material that is loosely enclosed in a membrane. These are transmitted through saliva generally.

Thus, the correct answer is C.

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3 years ago

In order for chemical digestion to occur, what has to be mixed with the food?

siniylev [52]

Well in order for chemical digestion to occur period, a enzyme is needed.

In the mouth this enzyme is amylase

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3 years ago

A contraceptive that permanently prevents transport of the sperm or egg to the site of conception is a

scZoUnD [109]

The answer is Surgical Contraceptive Methods e.g. Vasectomy(For males) and Tubectomy(Females)<span>.

</span>Vasectomy:- In this method vas deference is cutted and tied so that sperms can't reach uthera.

Tubectomy:- In this method both fallopian tubes are cut and tied, so that no egg can head towards the site of reproduction(Cervix).

Note:- Both process are irreversible.