Which of the following prokaryotic cells contain an outer membrane?
A) Gram-negative bacteria only
B) Gram-positive bacteria only
C) both Gram-positive and Gram-negative bacteria
D) archaea
E) all prokaryotes
A
Bloom's Taxonomy: Comprehension
Section: Archaeal Cell Walls and Cytoplasmic Membranes
Learning Outcome: 3.12
3.2 True/False Questions
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As scientists were unraveling the mysteries associated with transcription and translation in eukaryotes, they discovered there was not a one-to-one correspondence between the nucleotide sequence of a gene and the base sequence of the mRNA it codes for
They proposed the genes-in-pieces hypothesis. How can the genes-in-pieces hypothesis be explained? A) Introns are noncoding segments of DNA that are present in the initial transcript, but are removed by splicing. B) Introns are noncoding segments of DNA that are not read or transcribed by RNA polymerase II. C) Exons are noncoding segments of DNA that are not read or transcribed by RNA polymerase II. D) Exons are noncoding segments of DNA that are present in the initial transcript, but are removed by splicing.
Which action causes the release of neurotransmitter molecules?
A) the reception of a signal from the postsynaptic neuron B) an electrical signal reaching the end of the cell body C) an electrical signal reaching the terminal bouton D) an electrical signal reaching the beginning of the dendrite
Plants compete for light, a response known as ____, in which plants tend to grow taller when closely surrounded by
other plants. a. epinasty b. phototropism c. shade avoidance d. shade tolerance e. thigmotropism
A behavior that occurs immediately after birth, before any encounter with another member of the same species, is
A) not under genetic control. B) learned. C) innate. D) nonadaptive. E) based on habituation.