Bio Quiz

1397 Words May 6th, 2009 6 Pages
View Attempt 3 of 4
Title:
Quiz 2
Started:
April 19, 2009 10:20 PM
Submitted:
April 19, 2009 10:25 PM
Time spent:
00:04:03
Total score:
30/30 = 100% Total score adjusted by 0.0 Maximum possible score: 30
1.

What term describes a harmless noncancerous or precancerous tumor?

Student Response
Value
A. malignant B. benign 100%
C.
metastatic

D. lymphatic E. carcinogenic Score:
1/1

2.

What is the name of the process by which cancer cells break off of tumors and spread to other parts of the body?

Student Response
Value
A. carcinogenesis B. mutagenesis C. angiogenesis D. metastasis 100%
E.
mitosis

Score:
1/1

3.

Consider a strand of DNA with the sequence GAATTCGGCA. What is the sequence of
…show more content…
Student Response
Value
A. crossing over during meiosis

B. the number of chromosomes in the cell

C. the number of genes for which different alleles are present

D. random alignment of chromosomes during meiosis

E.
All of the above.
100%

Score:
1/1

16.

A typical gene contains the instructions for making

Student Response
Value
A. a lipid.

B. a protein.
100%
C. a chromosome.

D. a polysaccharide.

E.
All of the above are possible.

Score:
1/1

17.

A mistake made during copying of genetic information is called a

Student Response
Value
A. segregation. B. variance. C. mutation. 100%
D.
genotype.

E. zygote. Score:
1/1

18.

Identical twins are the result of

Student Response
Value
A. one egg being fertilized by two different sperm.

B. one embryo splitting to become two embryos.
100%
C. two eggs each being fertilized by a different sperm.

D. one sperm fertilizing two different eggs.

E.
Both A and B.

Score:
1/1

19.

A heterozygous organism

Student Response
Value
A. always shows a recessive trait.

B. has two identical alleles of a gene.

C. cannot produce gametes.

D. has two different alleles of a gene.
100%
E.
Any of the above may be true, depending on the environment.

Score:
1/1

20.

A mutation in a gene may

Student Response
Value
A. lead to the creation of a nonfunctional protein.

B. result in a

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