Solutions that contain concentrations of H+ ions lower than pure water
a) have pH values below 7
b) are acids
c) are bases
d) are enzymes
Ans: c) are bases
Biology & Microbiology
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Required for protein synthesis and operation of stomata.
Choose the letter of the best match: A. nitrogen B. calcium C. potassium D. phosphorus E. magnesium
Biology & Microbiology
Which of the following can NOT be an RNA
transcript? a. AUGCUU b. ATGCGT c. UACGCA d. UAGCGU e. GCGUUU
Biology & Microbiology
Species found in only one place on Earth are called ________ species
A) hot spot B) exotic C) keystone D) endemic
Biology & Microbiology
Identify a sequence that is most likely to be recognized by a restriction enzyme.
A. TCATCA B. CGATGC C. CCCTTT D. TGGCCA
Biology & Microbiology