Although a specific codon specifies only one amino acid, several different codons can specify the same amino acid
Indicate whether the statement is true or false
TRUE
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Signaling molecules secreted by one individual that modify the behavior of others are:
a. corticosteroids b. pheromones c. releasing hormones d. inhibiting hormones e. glucocorticoids
The maintenance of a high ATP to ADP ratio within cells ensures that the:a
hydrolysis of ADP to ATP will be strongly exergonic. b. hydrolysis of ATP to ADP will be strongly exergonic. c. hydrolysis of ATP to ADP will be strongly endergonic. d. hydrolysis of ADP to ATP will be an energy releasing reaction. e. conversion of ADP to ATP will proceed spontaneously.
Singer and Nicolson's fluid mosaic model of the membrane proposed that membranes_____
A) are a phospholipid bilayer between two layers of hydrophilic proteins B) are a single layer of phospholipids and proteins C) consist of protein molecules embedded in a fluid bilayer of phospholipids D) consist of a mosaic of polysaccharides and proteins
What is the role of primers in the PCR techniques?
A) To separate strands of double-stranded DNA B) To add free nucleotides to the newly formed DNA molecule C) To allow single strands of DNA to bind together D) To target specific areas of DNA