Birds arose during the Jurassic and are descended from which animals?

A. Aquatic larva
B. Amphibians
C. Feathered therapod dinosaurs
D. Endotherms
E. Reptiles


Answer: C

Biology & Microbiology

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________ is produced in an area of herbivore damage, then it is transported via the phloem to an undamaged area where it induces transcription of defensive genes

A. Abscisic acid B. Gibberellic acid C. Jasmonic acid D. Salicylic acid E. Ethylene

Biology & Microbiology

Describe the process of mRNA splicing

What will be an ideal response?

Biology & Microbiology

The average vital capacity for college-aged males is

A) 2.8 L. B) 3.4 L. C) 4.2 L. D) 4.8 L.

Biology & Microbiology

After estimating a probit model for the likelihood of a website visitor clicking through conditional on if the visit occurred on a weekday or not, you get the following results: ClickThroughi = -1.2(0.4) + 0.8(0.2)WeekDayi, where standard errors are reported in parenthesis. What would be the calculation that yields the marginal effect of a visit moving from a weekend to a weekday on click-throughs?

A. ?(-1.2 + 0.8) - ?(-1.2) B. -1.2 + 0.8 = -0.4 C. ?(-1.2) D. 0.8

Biology & Microbiology