Biology, 20.10.2020 01:01 opgbadwolf5
The channels in cell membranes that help substances to move in and out
of cells during active transport are made of
A. protein.
B. chlorophyll.
C. cytoplasm
D. carbohydrates.
Answers: 1
Biology, 22.06.2019 06:30
What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond
Answers: 1
Biology, 22.06.2019 09:00
This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.
Answers: 1
The channels in cell membranes that help substances to move in and out
of cells during active trans...
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