Chapter 3, Problem 3.12a
Our somatic cells' DNA is distributed among 46_________ in the nucleus.
a. nucleosomes
b. chromatids
c. nucleoli
d. chromosomes
Video transcript
Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.
d. Intermediate filaments are ropelike structures composed of tubulin proteins.
Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.
e. Centrioles are part of the centrosome from which microtubules originate.
Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.
f. Endocytosis, exocytosis, muscle cell contraction, and cellular 'crawling' are all mediated by intermediate filaments.
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.
a. In a gene, each nucleotide specifies one amino acid in a protein sequence.