These structures are held together by cohesin
A. homologous chromosomes.
B. sister chromatids.
C. solenoids.
D. nucleosomes.
Answer: B
You might also like to view...
What does a "run of homozygosity" indicate?
A) A recent common ancestor B) An ancient common ancestor C) Consanguineous ancestry D) Nondisjunction in a parent
Which of these is in the correct order, from oldest to most recent?
A) Australopithecus garhi, Aegyptopithecus, Homo floresiensis, Denisova hominin B) Homo sapiens, Ardipithecus kadabba, Sahelanthropus tchadensis, Dryopithecus C) Australopithecus garhi, Sahelanthropus tchadensis, Dryopithecus D) Australopithecus garhi, Homo erectus, Denisova hominin, Homo sapiens
In the distal convoluted tubule and collecting duct
A. sodium and chloride ions are actively reabsorbed. B. water moves out by osmosis when ADH is present. C. potassium ions are secreted. D. all of these events occur. E. none of these events occur in distal convoluted tubules, which are always impermeable to solutes and water.
The type of light-detecting visual pigment complex found in rods is
A. carotene. B. acetylcholine. C. rhodopsin. D. opsin.