Removal of the heme group from hemoglobin would result in
A) red blood cells not being able to reproduce.
B) white blood cells not being able to reproduce.
C) an inability for blood to clot.
D) red blood cells not being able to bind oxygen.
E) an inability of the spleen to remove worn-out red blood cells from circulation.
D
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Which of the following are photosynthetic bacteria?
A. The cyanobacteria B. The green bacteria C. The purple bacteria D. All of the choices are correct.
Bony fish usually do not need to adjust pupil size because:
a. their eyelids protect their eyes from bright light. b. the quantity of light is relatively low. c. they can move their lens forward and backward. d. a in conjunction with c
Transcription is the process of
A) synthesizing a DNA molecule from an RNA template. B) assembling an RNA molecule without a template. C) replicating a single-stranded DNA molecule. D) synthesizing a protein using information from mRNA. E) synthesizing an RNA molecule using a DNA template.
How many bones are present in the pelvic girdle?
A. three B. one C. five D. two E. four