Most dinosaurs died out by the end of the ____ period

a. Triassic
b. Jurassic
c. Cretaceous
d. Quaternary
e. Permian


ANSWER: c

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. The cell is the basic structural/functional unit common to all living organisms. 2. Resolution, contrast, and magnification are three important parameters in microscopy. 3. Fluorescence microscopy enables researchers to label and visualize a particular type of cellular protein or organelle. 4. The flagellum is used for cell motility in eukaryotes only.

Biology & Microbiology

Conjugation, transduction, and transformation are the three main mechanisms for gene transfer between bacteria. Compare these three mechanisms in terms of how DNA is transferred

What will be an ideal response?

Biology & Microbiology

Cell energy can be extracted from which of these? 

A. iron B. water C. carbohydrates D. All of these answers are true.

Biology & Microbiology

The reservoir for Orientia tsutsugamushi is (humans/mites/rodents)

What will be an ideal response?

Biology & Microbiology