Which of the following would NOT be expected to affect primary production?
A. biomass of primary consumers
B. biomass of producers
C. nutrients
D. water
E. sunlight
A
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Hardy-Weinberg pointed out that the original proportions of the genotypes in a population would remain constant from generation to generation if certain assumptions are met. Which one of the following is not a Hardy-Weinberg condition?
A. No gene flow occurs. B. Random mating occurs. C. No polymorphic loci exist in the population. D. No selection occurs. E. The population is very large.
The different tRNAs are produced by
A) different aminoacyl-tRNA synthetases that produce tRNAs from ribonucleotides in the cytoplasm. B) RNA editing of transcripts of a single tRNA gene. C) alternatively spliced of a single tRNA gene. D) transcription of different tRNA genes in the genome.
Which of the following is NOT one of the factors
contributing to the high cost of sexual reproduction? a. development and maintenance of specialized reproductive structures b. formation and nourishment of gametes c. maintaining reproductive timing mechanisms d. maintaining body cells e. protection and nourishment of offspring
Which of the following would be a gamete?
a) sperm cell b) bone cell c) muscle cell d) liver cell