During prophase, duplicated chromosomes
(a) consist of chromatids.
(b) contain centromeres.
(c) consist of nucleoproteins.
(d) contain all of the above.
(a) consist of chromatids.
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If a population is in Hardy–Weinberg equilibrium and p 5 .6,
(a) q 5 .5. (b) q 5 .4. (c) q 5 .3. (d) q 5 .16.
What is true according to the adaptor hypothesis?
A. The anticodon and amino acid have no relationship. B. A given tRNA can carry any of the twenty amino acids. C. The position of an amino acid within a polypeptide is determined by the binding of mRNA with a tRNA carrying a specific amino acid D. An amino acid recognizes the codon in mRNA.
Replication in human cells begins at sites called ____________________, present along the
chromosome. Fill in the blank(s) with the appropriate word(s).
Carl Woese's evolutionary studies that led him to propose the three domain taxonomic system compared nucleotide sequence present in:
A) the nuclei of eukaryotic cells B) 16S rRNA genes C) cyanobacteria D) thermophiles E) DNA polymerase genes