What evidence exists of the angiosperms that lived during the Cretaceous period?

a. cave art depictions
b. preserved DNA
c. fossilized leaves
d. botanical drawings and lab notes


c. fossilized leaves

Biology & Microbiology

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What is one of the roles of the APC/C during anaphase?  

A.  To directly target the mitotic cyclins for destruction. B.  To directly target cohesin for destruction. C.  To directly target separase for destruction. D.  To directly target microtubules for destruction.

Biology & Microbiology

DNA photolyase, in the presence of visible light, can repair DNA damage due to ultraviolet radiation.

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

Biology & Microbiology

A group of identical organisms that are all descendants from a single ancestor is known as a(n) ________

Fill in the blank(s) with correct word

Biology & Microbiology

On what basis was life divided into three domains?

A. cytochrome c sequence data B. the presence or absence of a nucleus and organelles C. presence or absence of mammary glands D. rRNA sequence data E. mitochondrial DNA sequence data

Biology & Microbiology