Which type of protein, embedded in the plasma membrane, aids reactions of molecules that arrive?

Biology

2 answers:

olchik [2.2K]3 years ago

8 0

The correct answer is C

The plasma membrane is a structure that protects the cell and it's made out of a lipid bi-layer, sugars and proteins. The proteins of the plasma membrane have many functions, some of them are structural, some carry out the cell transport of important molecules and some of them help the cell reactions and are called membrane enzymes . Enzymes are proteins that are capable to speed up a chemical reaction acting as catalysts.

Dmitrij [34]3 years ago

5 0

I think the third one enzymes

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2 years ago

Homework. Unanswered

Dennis_Churaev [7]

Gram-positive bacteria are bacteria that have thick cell walls which yield positive results in the Gram staining test. Lipoteichoic acid is a major component of the cell wall of gram-positive bacteria.

All bacteria indicated in the question can be classified by the Gram staining test:

Actinomycetes are Gram-positive bacteria
The genus Arthrobacter includes Gram-positive bacteria
Escherichia coli (E. coli) is a Gram-negative bacterium
Staphylococcus spp. are Gram-positive bacteria
Bacillus spp are Gram-positive bacteria
Mycobacterium spp. are Gram-positive bacteria

Prokaryotes can be divided into two domains: Bacteria and Archaea.

Gram staining is a method used to classify bacteria, but this method IS NOT USED to stain Archaea.

In consequence, I would not use the Gram test to stain Archaebacteria because Archaebacteria aren't bacteria (Option A is correct).