If your mother has cystic fibrosis, which is caused by a recessive allele, the odds of you having cystic fibrosis are
____.
a. 1/4
b. 1/2
c. 3/4
d. 1
e. impossible to determine without knowing your father’s genotype
ANSWER: e
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Fire can move, grow, reproduce, use energy, consume oxygen, and interact with its environment. Why is it not alive?
A. It does not consist of complex, well-ordered structures. B. It does not have cells. C. It does not pass on genes for traits to its offspring. D. All of the above are accurate reasons why fire is not alive.
The first peptide hormone discovered in plants was ____, which functions in wound response in the tomato
a. cytokinin b. systemin
c. gibberellin d. jasmonate e. salicylic acid
. When performing an experiment, what is another word used to describe the treatment?
a. hypothesis b. control c. variable d. data
Which of the following does not require expenditure of energy?
A. flow of sucrose and other carbohydrates once inside the sieve tubes B. opening or closing stomata C. accumulation of ions inside a cell D. the loading and unloading of carbohydrates from the sieve tubes E. transport against a concentration gradient