People identified as "universal donors" have (A/B/AB/O) blood type.

Fill in the blank(s) with the appropriate word(s).


Answer: O

Biology & Microbiology

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What is the outcome of crossing two pure-breeding plants with antagonistic traits?

A) Only one of the traits will be seen in the progeny. B) Both traits will be seen in the progeny. C) Both traits will be seen in the progeny in a 3:1 ratio. D) Only one trait will be seen and it will be the trait of the female.

Biology & Microbiology

Sucrose is translocated from source to sink

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

Actin forms cytoskeletal fibers called ________

Fill in the blank(s) with correct word

Biology & Microbiology

Steroid hormones generally work by:

A) passing into the cell and attaching to receptors inside. B) attaching to membrane receptors and triggering chemical reactions. C) triggering an action potential in the cell. D) triggering an influx of potassium ions. E) stimulating endocytosis of hormones and receptors.

Biology & Microbiology