Which of the following methods is not used by cells to regulate the amount of a protein in the cell
A: Genes can be transcribed into mRNA with different efficiencies.
B: Many ribosomes can bind to a single mRNA molecule.
C: Proteins can be tagged with ubiquitin, marking them for degradation.
D: Nuclear pore complexes can regulate the speed at which newly synthesized proteins are exported from the nucleus into the cytoplasm.
A: Genes can be transcribed into mRNA with different efficiencies.
B: Many ribosomes can bind to a single mRNA molecule.
C: Proteins can be tagged with ubiquitin, marking them for degradation.
D: Nuclear pore complexes can regulate the speed at which newly synthesized proteins are exported from the nucleus into the cytoplasm.
D
举一反三
- Chaperone proteins can guide the __________ of a newly synthesized polypeptide chain.
- Translate the following sentences into Chinese.Just as some biological genes can regulate other genes, some of the software genes can switch other software genes on or off.
- Which is the following can transfer acetyl group from mitochondria to cytoplasm
- Tumor suppressor genes encode proteins that normally restrain cell division. Mutation in one or more of these genes can lead to tumor formation.
- Many proteins can be grouped into protein families, in which each family member has an amino acid sequence and a three-dimensional conformation that closely ________ those of the other family members.
内容
- 0
Which of the following cells can not be found in the skin? A: Merkel cell B: Kupffer cell C: Langerhans cell D: Melanocyte
- 1
Which of the following material can be synthesized at liver only? () A: fat B: cholesterol C: protein D: fatty acid E: urea
- 2
More than ___ of all well-studied proteins contain a single structural domain. The members of these single-domain families can have different amino acid sequences but fold into a protein with a similar shape.
- 3
Passage A: You will die. B: You will go into shock. C: You will go into a coma. D: It can bind with cell proteins and damage them.
- 4
Which of the following expressions can be used to elicit opinions from others?