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.

Biology & Microbiology

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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.

Biology & Microbiology

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.

Biology & Microbiology

Replication in human cells begins at sites called ____________________, present along the

chromosome. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

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

Biology & Microbiology