Enzymes
a. change the rate of a reaction.
b. change the direction of a reaction.
c. change the free energy of a reaction.
d. are used up in a reaction.
e. are present in concentrations approaching their substrates' concentrations.
A
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Which general organic compound forms ringed carbon structures?
a. Aromatic hydrocarbons b. Chlorofluorocarbons c. Aliphatic hydrocarbons d. Hydrostatic hydrocarbons
An egg with 22 chromosomes that is fertilized by a normal sperm will result in
a. a zygote with trisomy. b. a zygote with disomy. c. a zygote with monosomy. d. a zygote with normal chromosome number.
How can two pea plants that have different genotypes for seed color be identical in phenotype?
a) one of the two plants could be homozygous for the dominant allele, while the other could be homozygous form the recessive allele b) one of the two plants could be homozygous for the dominant allele, while the other could be heterozygous c) genotype has no relation to phenotype d) seed color in pea plants is not genetically determined e) one of the two plants could be homozygous for the recessive allele, while the other could be heterozygous
Southern blotting is a technique that can be used to identify microbes that cannot be cultured.
Answer the following statement true (T) or false (F)