Rubbing a substance on uncoated paper should reveal if it contains

(a) lipid.
(b) carbohydrate.
(c) protein.
(d) sugar.


(a) lipid.

Biology & Microbiology

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The frequency of heterozygotes for cystic fibrosis shows ethnic variations. Indicate whether the statement is true or false

Biology & Microbiology

During aerobic respiration, oxygen is:

a. formed. b. reduced. c. oxidized. d. catabolized. e. decarboxylated.

Biology & Microbiology

Scientists can induce, or cause, mutations in DNA in a laboratory setting. What evidence would best support a scientist's claim that a certain mutation induced in a lab would have no phenotypic effect if it occurred in an actual organism?

A) The mutation affects an entire chromosome. B) The mutation is an insertion mutation. C) The mutation is in a gene that codes for an essential protein. D) The mutation does not change the protein generated by this gene

Biology & Microbiology

An organism with a haploid number of 10 will produce ________ combinations of chromosomes at the end of meiosis

A) 1024 B) 10,000 C) 10 D) 32 E) 100

Biology & Microbiology