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aksik [14]
3 years ago
7

Which of the following statements regarding membrane protein function is FALSE?A) membrane proteins serves as enzymesB) membrane

proteins act as receptors tomolecules like hormonesC) Membrane proteins form junctions between cellsD) Membrane proteins produce phospholids
Biology
2 answers:
Mandarinka [93]3 years ago
6 0

Answer:

The correct answer is D)

Membrane proteins <u>DO NOT</u> produce phospholids.                                                                                                                                                                            

Explanation:

Phospholipids are a category of lipids that are a key part of all cell membranes. They can form lipid bilayers because of their amphiphilic characteristic. The structure of the phospholipid molecule generally consists of two hydrophobic fatty acid "tails" and a hydrophilic "head" consisting of a phosphate group. The two components are usually joined together by a glycerol molecule.

The first phospholipid identified in 1847 by the French chemist and pharmacist Theodore Nicolas Gobley, in biological tissues was lecithin, or phosphatidylcholine, in the egg yolk of chickens. Purified phospholipids are produced commercially and have found applications in nanotechnology and materials science.                                  

Cheers!

Sever21 [200]3 years ago
5 0

Answer: D)

Membrane proteins produce phospholids

Explanation:

Membrane proteins in the mitochondria do more than just generate cellular energy. The proteins in the membranes of the mitochondria are complex machines in the nanoworld that mediate the oxygen-coupled generation of energy in cells. Their role in this process is not yet understood in detail.

Membrane proteins perform a variety of functions vital to the survival of organisms: Membrane receptor proteins relay signals between the cell's internal and external environments. Transport proteins move molecules and ions across the membrane.

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Explanation:Hope This Helps

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What level of organization in protein structure are hydrogen bonds within molecules?
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Answer:

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Kathy has been an administrative assistant for many years and spends many hours per day using the computer keyboard. She has rec
Studentka2010 [4]

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3 0
4 years ago
In peas, tall plants (T) are completely dominant over short plants (t). You cross two heterozygous pea plants Use a Punnett squa
Nikitich [7]

Answers and Explanation:

Find enclosed the Punnet square.

T= dominant allele

t= recessive allele

Tt= heterozygous genotype

TT and tt= homozygous genotype

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- Male gametes: T and t

- Female gametes: T and t

- The expected genotypic ratio of the offpring will be:

TT: Tt: tt ⇒ 1: 2: 1

1/4 of the offpring will be TT genotype (dominant homozygous), 1/2 of the offpring will be Tt (heterozygous) genotype and 1/4 of the offpring will be tt genotype (recessive homozygous).

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4 0
3 years ago
Which of the following types of mutation, resulting in an error in the mRNA just after the AUG start of translation, is likely t
san4es73 [151]

Answer:

The correct answer is option B) "a deletion of two nucleotides".

Explanation:

A frameshift mutation is a type of genetic modification caused by the insertion or deletion of one or more nucleotides in a position that results in changing the sequence at which codons are translated in the ribosome. Frameshift mutations have the most serious effect on the polypeptide products since it results in changing completely the sequence of the protein. A deletion of two nucleotides after the AUG start of translation would result in a frameshift mutation, therefore this mutation would have the most serious effect on the polypeptide product.

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