Which pattern of diploid and haploid phases reflects the life cycle of animals?
a. alternation between haploid and diploid generations
b. one haploid generation followed by two diploid generations
c. two haploid generations followed by a diploid generation
d. a single generation that limits the haploid state to gametes, while the rest of the organism is diploid
Answer: d. a single generation that limits the haploid state to gametes, while the rest of the organism is diploid
You might also like to view...
A cell that lacks sulfite oxidase but can still oxidize sulfur for energy could be identified by
A) adenosine phosphosulfate reductase coupled with substrate-level phosphorylation. B) electrons being transferred to cytochrome c prior to shuttling them into the electron transport chain. C) identifying an alternative quinone, flavoprotein, or cytochrome. D) quantifying the release of sulfate byproduct.
Molecules and ions reabsorbed from the nephron reenter the blood at the ____
a. efferent arteriole b. peritubular capillaries c. renal artery d. afferent arteriole e. glomerulus
The ____ of an atom have a negative charge
a. nuclei b. protons c. neutrons d. ions e. electrons
Which of these three mechanisms illustrates
facilitated diffusion? a. A b. B c. C d. both A and B e. none of these