Organic molecules have a carbon backbone and ________ such as -OH and -NH2 that affect their chemical properties.
A. chemical groups
B. R groups
C. extension groups
D. functional groups
Answer: D
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Several micronutrients such as manganese and molybdenum are important as:
A. minerals used in plant membranes B. minerals found mostly in cell walls C. minerals that are cofactors in certain cell reactions D. minerals that bond to macronutrients E. minerals that are so small it is impossible to determine their role
Each amino acid is encoded by only one mRNA codon
a. True b. False Indicate whether the statement is true or false
Connective tissue serves to support and bind other tissues. Which of the following is NOT an example of connective tissue?
A. Bone B. Cartilage C. Neurons D. Fat E. Blood
In humans, the gene for blood type has ____________________ (number) alleles and the A and B alleles are
____________________. Fill in the blank(s) with the appropriate word(s).