Atmospheric O2 is a waste product of photosynthesis

a. True
b. False


ANSWER: True

Biology & Microbiology

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Placing a ripe apple with other apples that are not ripe will cause the other apples to ripen sooner

Which type of plant hormone is responsible for this effect?

a. brassinosteroids b. ethylene c. auxins d. oligosaccharins e. abscisic acid

Biology & Microbiology

The "cuddle hormone," secreted in greater quantities following sexual contact, is

a. testosterone. b. estrogen. c. follicle stimulating hormone. d. melatonin. e. oxytocin.

Biology & Microbiology

Most animals fall into one of how many phyla?

A) 100 B) 35 C) 9 D) 5

Biology & Microbiology

Which of the following statements about Mendel's experiments is false?

(a) The pea plants could undergo both cross-fertilization and self-fertilization. (b) The true-breeding strains were homozygous for the traits that Mendel examined. (c) The egg can carry either the allele from the maternal or the paternal chromosome. (d) All traits that Mendel studied were recessive.

Biology & Microbiology