Development of the human embryo's heart begins in the ________ week.

A. 16th
B. 6th
C. 1st
D. 3rd
E. 24th


Answer: D

Biology & Microbiology

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All muscles in the human body are voluntary.

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

Biology & Microbiology

Consider the ADH reaction below, and answer the following question. ADH stands for alcohol dehydrogenase

In this reaction, acetaldehyde represents the ____.

a. enzyme b. reactant

c. product d. activation energy e. trigger

Biology & Microbiology

How would the population equation G = rN be expressed in the full names of each abbreviated variable?

A. rate of emigration = birth rate x initial population size B. None of the answer choices is correct. C. logistic growth rate = per capita rate of increase x carrying capacity D. number of individuals added during any time interval = per capita rate of increase x initial population size E. carrying capacity = environmental resistance x exponential growth rate

Biology & Microbiology

When straightening the arm, the triceps is acting as a(n) _____

1.antagonizer 2.extensor 3.flexor 4.stabilizer

Biology & Microbiology