6. What does the rate of transpiration depend on? *
The amount of water in a plants
The amoun...
Biology, 21.01.2021 04:30 blahhhhhhh10
6. What does the rate of transpiration depend on? *
The amount of water in a plants
The amount of water in the ground
The size of the opening in the stomata
The size of the plant
7. Openings and closings in the stomata are regulated by what?
Guard cells
Chloroplasts
Roots
Chlorophyll
Answers: 3
Biology, 22.06.2019 11:00
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
Biology, 22.06.2019 14:50
Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.
Answers: 1
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