Which of the following is the group of archaea that can use CO2 as their final electron acceptor during anaerobic respiration, producing CH4?
A) methylotrophs
B) methanotrophs
C) methanogens
D) anoxygenic photosynthesizers
Ans: C) methanogens
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Many archaeal chromosomes include plasmids.
Answer the following statement true (T) or false (F)
Identify and describe:A
three different ways in which leaves can be arranged on stems, and list one example for each. B. three different venation patterns in leaves and whether each is characteristic of eudicots or monocots. What will be an ideal response?
When homologous chromosomes cross over, what occurs?
A) Two chromatids get tangled, resulting in one re-sequencing its DNA. B) Two sister chromatids exchange identical pieces of DNA. C) Corresponding segments of non-sister chromatids are exchanged. D) Maternal alleles are "corrected" to be like paternal alleles and vice versa.
If auxin transport was limited at shoot tips, what would occur?
A. Leaf primordia formation would be limited to the cells where auxin was transported. B. No new leaves would form. C. It would result in increased formation of leaf primordia at many locations. D. It would have no effect on leaf formation.