Why is meiosis important for sexual reproduction?
A. It allows the zygote formed from fertilization to have triple the chromosome number of the organism.
B. It allows gametes to have twice the original number of chromosomes of the organism.
C. It allows gametes to have half the original number of chromosomes of the organism.
D. It allows the zygote formed from fertilization to have half the original number of chromosomes of the organism.
Ans: C. It allows gametes to have half the original number of chromosomes of the organism.
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a. marine, Caribbean b. marine, Pacific c. terrestrial, Atlantic d. marine, Atlantic e. terrestrial, Pacific
EcoRI and HindIII are ________.
A. palindromes B. reverse transcriptases C. restriction endonucleases D. ligases E. DNA polymerases
The term "plankton"
a. refers to a taxonomic division of algae. b. is a common term for microscopic organisms that drift or swim weakly in water. c. includes only multicellular forms. d. refers to small aquatic plants. e. would apply to large brown algae
How does termination of translation take place?
A) The end of the mRNA molecule is reached. B) A stop codon is reached. C) The cap is reached. D) The poly-A tail is reached.