____ is the wood of flowering plants and ____ is the wood of conifers

a. Hardwood; softwood
b. Summer wood; spring wood
c. Softwood; hardwood
d. Spring wood; summer wood
e. Heartwood; softwood


a

Biology & Microbiology

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A new antibiotic has been developed. It acts as a noncompetitive inhibitor. How will this antibiotic affect delta G for the enzyme-catalyzed reaction?

A. Delta G will increase B. Delta G will decrease C. Delta G will be unaffected

Biology & Microbiology

In G2, there are typically high levels of the mitotic cyclin.  Why is cdc2 not active during G2 if the mitotic cyclin is present?

A. Cdc2 requires ubiquitination to be activated. B. Cdc2 does not bind to the mitotic cyclin. C. Cdc2 is also regulated by phosphorylation. D. Cdc2 also has to bind to cohesin to be activated.

Biology & Microbiology

In a population, some individuals are chosen as mates more frequently than others. This statement represents 

A. sexual selection. B. artificial selection. C. penetrance. D. morphological preference.

Biology & Microbiology

Due to single nucleotide polymorphisms (SNPs), all humans have a slightly different nucleotide sequence for their genome. Restriction mapping is used in forensic sciences to match DNA evidence to a potential suspect of a crime. How does restriction

mapping reduce the likelihood of misidentifying a suspect? A) SNPs add and remove restriction sites resulting in a unique "fingerprint" for each person B) SNPs only remove restriction sites from the genome resulting in a unique "fingerprint" for each person C) SNPs change the genes that are expressed D) SNPs only add new restriction sites to the genome resulting in a unique "fingerprint" for each person

Biology & Microbiology