When the heart muscle is relaxed it is in ________.

a) systole
b) diastole


Ans: b) diastole

Biology & Microbiology

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In 1938, scientists found a population of coelacanths in the Indian Ocean. This fish species is considered a “living fossil” and appears not to have changed morphologically for 80 million years. This discovery supports the ___________ model of evolution.  

A.  gradualism B.  punctuated equilibrium C.  adaptation D.  natural selection E.  common descent Clarify Question · What is the key concept addressed by the question? · What type of thinking is required?   Gather Content · What do you already know about punctuated equilibrium?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Topoisomerase functions by ____

a. creating cuts in the DNA to relieve over-twisting and strain ahead of the replication fork b. binding DNA polymerase to hold it tightly to the template DNA c. unwinding the DNA double helix to expose the template strands for replication d. binding the newly synthesized DNA to re-twist it into a double helix after replication e. reading the DNA template and synthesizing a complementary strand of DNA

Biology & Microbiology

The spinal cord runs through, and is protected by, the __________.

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

Biology & Microbiology

________ means "sugar splitting."

Fill in the blank(s) with correct word

Biology & Microbiology