Gastrulation in animal cells is able to take place because:
A. animal cells do not have cell walls.
B. mitosis stops so that cells are able to move
around.
C. cells in the meristem are able to migrate.
A
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Examples of transgenic organisms include:
A. crop plants engineered to resist insect pests. B. rice enriched with vitamin A. C. sheep that produce a human protein in their milk that is used to treat emphysema. D. laboratory mice that develop heart disease and diabetes. E. All of the answer options are correct.
Most carbohydrates, lipids, and proteins are digested, and most nutrients and water are absorbed in the ________
a. small intestine b. stomach c. large intestine d. esophagus
____ are enzymes found in the ____ secreted
by cells lining the body's interior tubes and cavities.
a. Lysozymes; proteins b. Peroxidases; acid c. ATPases; mucus d. Lysozymes; mucus e. Peroxidases; mucus
What is the first part of the seedling to come out during germination?
a. plumule b. radicle c. cotyledons d. leaves e. coleoptile