S
samnich123
Guest
1. Which of the following is not a way that bacteria obtain new combinations of genes?
A. Two bacteria join together and one passes genes to the other.
B. Bacteria produce haploid gametes that undergo fertilization.
C. Viruses carry bacterial genes from one cell to another.
D. Bacteria take up free pieces of DNA from their environment.
2. What is a genome?
A. all the cells produced during meiosis
B. all the plasmids produced from inserting DNA into a cell
C. all the DNA in one cell of an organism
D. all the karyotypes in a cell
3. The chances of cancer developing in an individual increases if a cell that has an oncogene also
A. has a mutation in a tumor-suppresor gene.
B. does not make growth factors.
D. self-destructs.
C. all of the above.
4. The site where RNA polymerase attaches to the DNA is known as the
A. operon
B. promoter
C. operator
D. repressor
5. What is a karyotype?
A. a sex-linked genetic disorder
B. a picture of a baby before it is born
C. a picture of the chromosomes in a cell
D. fluid that surrounds a baby before it is born
A. Two bacteria join together and one passes genes to the other.
B. Bacteria produce haploid gametes that undergo fertilization.
C. Viruses carry bacterial genes from one cell to another.
D. Bacteria take up free pieces of DNA from their environment.
2. What is a genome?
A. all the cells produced during meiosis
B. all the plasmids produced from inserting DNA into a cell
C. all the DNA in one cell of an organism
D. all the karyotypes in a cell
3. The chances of cancer developing in an individual increases if a cell that has an oncogene also
A. has a mutation in a tumor-suppresor gene.
B. does not make growth factors.
D. self-destructs.
C. all of the above.
4. The site where RNA polymerase attaches to the DNA is known as the
A. operon
B. promoter
C. operator
D. repressor
5. What is a karyotype?
A. a sex-linked genetic disorder
B. a picture of a baby before it is born
C. a picture of the chromosomes in a cell
D. fluid that surrounds a baby before it is born