Reactants are converted to products by
A. enzymes releasing energy.
B. reactants releasing energy.
C. enzymes binding to reactants.
D. breaking and forming bonds.
Answer: D
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When a cell has two complete sets of chromosomes, it is:
a. haploid b. duplicated c. diploid d. triploid e. complete
What is the total number of possible outcomes that two gametes, both of which are heterozygous for both of their alleles, can produce?
a. 4 outcomes b. 12 outcomes c. 14 outcomes d. 16 outcomes e. 32 outcomes
Sponges belong to the phylum:
a. Porifera. b. Cnidaria. c. Platyhelminthes. d. Nematoda. e. Tubularia.
Which of the following is correct?
1.dragonfly and bat wings are homologous
2.dragonfly, bat and bird wings are homologous
3.dragonfly and bat wings are an example of divergent evolution
4.none of these