Our somatic cells' DNA is distributed among 46_________ in the nucleus.
a. nucleosomes
b. chromatids
c. nucleoli
d. chromosomes
Our somatic cells' DNA is distributed among 46_________ in the nucleus.
a. nucleosomes
b. chromatids
c. nucleoli
d. chromosomes
Explain how and why chromatin is condensed in the nucleus.
Which of the following statements correctly describes the function of the nucleolus?
a. Within the nucleolus we find genes for rRNA.
b. Nucleoli manufacture mitochondrial proteins for export to the cytosol.
c. Nucleoli assemble the nuclear envelope.
d. The nucleolus contains the genes that form the Golgi apparatus.
Each of the following statements about protein synthesis is false. Correct each to make a true statement.
b. A transcription factor must bind to the promoter region of a gene before the enzyme DNA synthetase is able to bind and begin transcription.
Each of the following statements about protein synthesis is false. Correct each to make a true statement.
c. The enzyme RNA polymerase builds a strand of transfer RNA, whose codons are complementary to DNA's triplets.
Each of the following statements about protein synthesis is false. Correct each to make a true statement.
d. Proteins destined for secretion from the cell enter the nucleus after translation, to be folded and modified.