The tough outer covering of the eye is referred to as the
A. sclera.
B. iris.
C. fovea.
D. retina.
E. pupil.
Answer: A
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The _____ techniqueis most effective for transcriptomics studies in non-model organisms because _____
a. DNA microarray; DNA sequences from related organisms can be used as probes. b. RNA-seq;it is less expensive c. DNA microarray; prior knowledge about the genome sequence is not required. d. RNA-seq; the probes used are smaller than those for DNA microarrays.
e. DNA microarray; fluorescence gives the best indication of gene activity.Testudines is the order that includes all of the shelled reptiles, such as turtles. The dorsal shell is called the carapace. What is the ventral shell of a turtle called?
a. plastron b. scutes c. belly shell d. gastroplatus
In what phase of the cell cycle does a typical cell spend most of its life?
a. interphase b. prophase c. metaphase d. anaphase e. telophase
How does a capsule help certain bacteria evade detection by the immune system?
A) Capsules allow the bacteria to stick together, creating a larger mass that is too big for immune cells to engulf. B) The capsule makes the bacterium too sticky to be phagocytosed by the immune cells. C) Capsules have the ability to destroy antibodies secreted by the immune system. D) The capsule is composed of polysaccharides that are similar to those found in the host; thus, the immune system does not recognize it as foreign.