Biology, 14.05.2021 02:00 qorderiusnewton
Which group of organelles is directly responsible for the production of new molecules within a cell?
A. Ribosomes, the endoplasmic reticulum, and Golgi apparatuses
B. Golgi apparatuses, lysosomes, and the plasma membrane
C. The endoplasmic reticulum, plastids, and vacuoles
D. The nucleolus, vacuoles, and ribosomes
Answers: 1
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The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.
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Why were the results whit just water so much different than the trials with the detergent ?
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Biology, 22.06.2019 18:30
Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas
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Which group of organelles is directly responsible for the production of new molecules within a cell?...
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