All of these statements about Chlamydomonas are true EXCEPT ________.
A. Chlamydomonas only reproduces asexually
B. each motile Chlamydomonas cell has a single haploid nucleus
C. Chlamydomonas has two flagella
D. Chlamydomonas is photoautotrophic
Answer: A
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What major adaptations contributed to the success of the angiosperms?
A) Broad leaves B) Flowers and fruits C) Sap containing "antifreeze" D) A and B E) A and C
The disease osteoporosis involves loss of both mineral and organic components from bones. Factors that may contribute to the development of osteoporosis include
_____ prolonged disuse of muscles. _____ lack of calcium and vitamin D in the diet. _____ excess fat in the diet. _____ a decline in estrogen following menopause in women. _____ a history of extreme sport participation.
Errors in nucleotide sequence that occurs during replication CANNOT be corrected.
a. true b. false
Certain orchids produce flowers and secrete scents that resemble female bees so that male bees will mount these
flowers and attempt to copulate with them. This bizarre occurrence is an example of: a. fertilization. b. coevolution. c. apomixis. d. self-pollination. e. asexual reproduction.