The fungus that causes black stem rust of wheat belongs to which fungal group?

a. ascomycetes
b. zygomycetes
c. basidiomycetes
d. chytridiomycetes
e. glomeromycetes


c

Biology & Microbiology

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If your mother and father both have cystic fibrosis, which is caused by a recessive allele, the odds of

your having only one allele for the disorder are

a. 1/4. b. 1/2. c. 3/4. d. 1. e. 0.

Biology & Microbiology

How many amino acids are known to exist?

a. 100 b. 50 c. 25 d. 20 e. 10

Biology & Microbiology

The atomic number of hydrogen is 1. Based on this fact, all of the following must be true of hydrogen gas (H2 ) EXCEPT that it

A) is a stable molecule. B) shares one pair of electrons between the two hydrogen atoms. C) is a polar molecule. D) uses covalent bonds to form the molecule.

Biology & Microbiology

Biological molecules are composed of building blocks that are linked together to form ____.

A) functional groups B) ball-and-stick models C) space-filling models D) monomers E) polymers

Biology & Microbiology