Nectar is often produced by plants as an enticement or reward for pollinating animals

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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Without data from the base composition studies of Chargaff, what might Watson and Crick’s modeling studies have erroneously concluded?

A. Bases could pair with themselves (e.g. A with A, C with C). B. Any purine could pair with any purine. C. Any pyrimidine could pair with any pyrimidine. D. Any purine could pair with any purine and any pyrimidine could pair with any pyrimidine. E. Any purine could pair with any pyrimidine.

Biology & Microbiology

Which of the following is not a pyrimidine?

A. Thymine B. Uracil C. Adenine D. Cytosine

Biology & Microbiology

An allele that exhibits incomplete dominance is usually haplosufficient

Indicate whether the statement is true or false

Biology & Microbiology

What situation below is best characterized as interference competition?

A. Cattle and deer grazing on the same grasses. B. Viruses that infect bird species. C. A barnacle living on the tail of a humpback whale. D. Insects that use rabbit warrens for shelter. E. A tiger that excludes other tigers from its territory.

Biology & Microbiology