Which of the following is not a major class of growth factors?
A. Nucleic acids
B. Amino acids
C. Purines and pyrimidines
D. Vitamins
Answer: A
Biology & Microbiology
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What cell is haploid?
A. oogonium B. zygote C. primary oocyte D. ovum E. spermatogonium
Biology & Microbiology
Which trait is least likelyto be shared between green algae and land plants?
a. presence of stomata b. chloroplasts with chlorophyll a c. cellulose in their cell walls d. store energy captured during photosynthesis as starch e. chloroplasts with chlorophyll b
Biology & Microbiology
SNPs are derived from ________.
A. frameshift mutations B. gene therapy C. point mutations D. genetic engineering
Biology & Microbiology
Gross primary productivity is the rate of photosynthesis minus the rate of plant respiration
____________________ Indicate whether the statement is true or false.
Biology & Microbiology