Question: 1. In the process of transcription, the promoter site is
a. where the repressor molecule binds
b….
1. In the process of transcription, the promoter site is
a. where the repressor molecule binds
b. where DNA polymerase binds
c. where RNA polymerase binds
d. where the operator molecule binds
2. Alleles are
a. sometimes referred to as genotypes
b. can either be dominant or recessive
c. different molecular forms of the same gene
d. all of the above
3. In DNA replication, the following are/is involved
a. DNA ligase
b. DNA polymerase
c. Okazaki fragments
d. All of the above
4. After mitosis, the chromosome number of a daughter cell
is
a. doubled compared to the parent cell.
b. Rearranged compared to the parent cell
c. The same as the parent cell
d. One-half as the parent cell
5. Meiosis is a division mechanism that produces
a. two cells
b. two nuclei
c. eight cells
d. four cells
6. Oncogenes are
a. programmed cell death
b. operons
c. mutations in a checkpoint gene and can induce cancer
cells
d. inactivated X chromosomes
7. The codon for methionine (Met) is AUG. The anticodon in the
tRNA is
a. AUG
b. CAT
c. UAC
d. CAU 12.
8. Crossing over and genetic recombination
a. Maintain the status quo of the genotypes
b. Between homologous chromosomes results in a potentially
adaptive variations in traits among a population
c. Do not affect linkage groups
d. None of the above
9. Karyotyping
a. involves isolating chromosomes arrested in metaphase
b. can be used to compare an individual’s chromosome number to a
standardize preparation
c. is used to identify particular chromosomal abnormalities
d. all of the above
10. The dogma of molecular biology is
a. Protein-DNA-RNA
b. RNA-DNA-Protein
c. DNA-RNA-Protein
d. DNA-Protein-RNA
e. all of the above-order does not matter
