True or false?
1. a scientist who performs an experiment has not predicted what the out...
True or false?
1. a scientist who performs an experiment has not predicted what the outcome of the experiment is going to be.
2. the control group and experimental groups are designed to be identical.
3. the independent variable is the variable that the experimenter changes in an experiment.
4. without enzymes, chemical reactions necessary for life would not occur at a rate sufficient to sustain life.
5. membranes are selectively permeable if they allow only certain substances to move across them.
6. water will diffuse out of a cell when the cell is placed in a hypertonic solution.
7. the transport of specific particles down their concentration gradient through a membrane by carrier proteins
is known as facilitated diffusion.
8. in active transport, energy is required to move a substance across a cell membrane.
9. exocytosis the cell rid itself of wastes.
Answers: 1
Biology, 21.06.2019 23:00, UaRemomGAY
Which image shows labeled organelles that are present only in plant cells?
Answers: 1
Biology, 22.06.2019 00:30, nayellisoto15
Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?
Answers: 1
Biology, 22.06.2019 03:00, CatsandDogsaredabest
During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.
Answers: 3
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