Which cell membrane components are present in plant cells but absent in animal cells?
A) phospholipids
B) plasmodesmata
C) gap junctions
D) proteins
E) carbohydrates
B) plasmodesmata
Biology & Microbiology
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disorder affecting colon and rectum which involves hardened feces
What will be an ideal response?
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Saturated fatty acids lack which of the following?
A) a glycerol molecule b) a hydrocarbon chain C) double bonds between carbon atoms D) single bonds between carbon atoms E) energy
Biology & Microbiology
Which cycle involves materials moving through a series of transfers from living to nonliving systems and then back again?
A) biogeochemical B) geological C) continental D) uranium-lead
Biology & Microbiology
What happens to cells that are put in hypertonic solutions?
What will be an ideal response?
Biology & Microbiology