Single-celled eukaryotes lacking a cell wall are
A) protozoa.
B) fungi.
C) algae.
D) insects.
E) water molds.
A
You might also like to view...
How did Okazaki show that DNA synthesis is semidiscontinuous?
What will be an ideal response?
What are homologous structures, and how do they provide evidence for evolution?
What will be an ideal response?
Which statement regarding genetics is false?
A) In keeping with our greater complexity, the human genome has about 100 times more genes than that of yeast. B) Despite morphological similarities, fungi are more closely related to animals than they are to plants. C) About 99% of the genes of humans and mice are related by descent from a common ancestor. D) The more recently two species have branched from a common ancestor, the more similar we expect their DNA sequences to be.
What diffuses across the narrow synaptic cleft between the presynaptic axon and the postsynaptic cell to transmit a nerve impulse?
A. Electrical impulse B. Neurotransmitter C. Na+ ion D. Action potential E. Vesicle