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shepuryov [24]
3 years ago
13

Which of the following are not characteristics of the plasma membrane? Select all that apply. cellulose phospholipids and protei

n increased strength to the cell selective membrane
Biology
2 answers:
liubo4ka [24]3 years ago
5 0

increased strength to the cell

selective membrane

Art [367]3 years ago
3 0

Answer:

-Cellulose.

-Increased strength to the cell

Explanation:

The cell membrane or plasma membrane is an outer covering of cells that separate interior of the cells from external environment.

It is made up of lipids and proteins. The main function of plasma membrane is to allow selective transport of substances to enter or exit from the cell.

Thus, cellulose and providing strength to the cells are characteristics of plasma membranes.

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natali 33 [55]

Answer:E.

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7 0
3 years ago
How is enthalpy used to predict whether a reaction is endothermic or exothermic?
Radda [10]

<u>Answer:</u>

<em>329.48 KJ/mol heat is released by the combustion of 2 molof methane</em>

<u>Explanation:</u>

The value of enthalpy determines whether the reaction is exothermic or endothermic. If the enthalpy change is positive, then the reaction is endothermic (heat or energy released) and if the enthalpy change is negative then the reaction is exothermic (heat or energy absorbed).

2CH_4(g)+4O_2(g) => 2CO_2(g)+4H_2O(g)

\Delta H \ reaction=[ 2(\Delta HfCO_2)+ 4(\Delta HfH_2O)]-[2(\Delta HfCH_4)+4(\Delta HfO_2)]

                            =2 ( -(393.5 KJ)/mol)-[2( -74.6 KJ/mol)+4(-241.82 KJ/mol)]

                            = -787 KJ/mol-[ -149.2 KJ/mol-967.28 KJ/mol]

                           = -787 KJ/mol+1116.48 KJ/mol

                                          =329.48 KJ/mol

<em>In this question, </em><em>the enthalpy of formation</em><em> has positive value and hence the </em><em>reaction is endothermic</em><em> in which the heat is released. </em>

3 0
3 years ago
Kory has abnormally high levels of cytotoxic T-cells circulating in his blood. What is the most likely cause of this condition?
kobusy [5.1K]

Answer:

a viral infection

Explanation:

i think that this is right answer

4 0
3 years ago
If a chromosome unfolds itself, how is transcription enhanced?
konstantin123 [22]
The DNA region is easily accessible 
^^^^^^^^^^^^
6 0
3 years ago
An individual that is heterozygous for two linked genes has the genotype Ab/aB, which means that the A and b alleles are in one
shusha [124]

Answer:

abAB

Explanation:

6 0
3 years ago
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