Biology, 22.10.2020 01:01 nbaounce1776
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
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Biology, 21.06.2019 18:30
Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment
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Biology, 22.06.2019 02:00
The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.
Answers: 3
Biology, 22.06.2019 07:00
What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material
Answers: 1
Biology, 22.06.2019 08:00
Explain why biological control methods are generally environmentally superior to chemical pest control methods.
Answers: 1
Cells needs to bring in molecules to carry out cellular processe. often this required moving the mol...
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