Biology, 22.10.2020 01:01 rebecca7415
Cells needs to bring in molecules to carry out cellular processe. often this required moving the molecules across the cell membrane against the cocentration gradient
passive transport by diffusion
active transport using ATP
Answers: 3
Biology, 22.06.2019 04:40
Iwill mark brainliest and all that sha-bang. what is the function of the endocrine system? a. control longer term response in the body. b. transmit messages throughout the body. c. remove waste from the body. d. all of the above
Answers: 2
Biology, 22.06.2019 09:00
What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.
Answers: 2
Biology, 22.06.2019 09:00
Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm
Answers: 1
Cells needs to bring in molecules to carry out cellular processe. often this required moving the mol...
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