Seeds can be described as ‘a little plant in a box with its lunch’. Which parts of the seed correspond to the elements of
this description? Fill in the blank(s) with the appropriate word(s).
ANSWER: The ‘little plant' is the embryo. The ‘box' is the seed coat. The ‘lunch' is the endosperm.
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Water has a molecular weight of 18 g per mole, and glucose has a molecular weight of 180 g per mole
Which of the following would have an approximately equal number of water and glucose molecules?
a. 1 g of water and 180 g of glucose b. 90 g of water and 9 g of glucose c. 180 g of water and 1 g of glucose d. 9 g of water and 90 g of glucose e. 90 g of water and 90 g of glucose
The first goal of the Human Genome Project was to
A. construct chromosome maps for the entire human genome. B. understand the meiotic process. C. cure all human genetic diseases. D. determine the structure of DNA.
Incubation of cells at 20°C blocks the release of proteins from the trans-Golgi. Under such conditions, you would expect to see
A. a decrease in exocytosis. B. an increase in exocytosis. C. a decrease in endocytosis. D. an increase in endocytosis.
What is the term for movement of water and nutrients between biotic and abiotic portions of an ecosystem?
A) decomposer-detrital cycling B) biogeochemical cycling C) bio-cycling D) energy cycling