Which muscle cells are designed for endurance?

A) hemoglobin B) slow-twitch cells C) fast-twitch cells D) myoglobin


Answer: B

Biology & Microbiology

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In humans, if non-disjunction led to an individual with a genotype of XO, that person would  

A.  be female because each cell lacks a Y chromosome. B.  be male because each cell has only one X chromosome. C.  display both male and female characteristics. D.  not survive.

Biology & Microbiology

The most common isotope of carbon has an atomic number of 6 and a mass number of 12, while the

most common isotope of oxygen has an atomic number of 8 and a mass number of 16. A molecule of CO2 made up of these common isotopes has a molecular weight of ____.

a. 28 b. 44 c. 56 d. 14 e. 22

Biology & Microbiology

List the two major differences between meiosis and mitosis. What is the significance of these events?

What will be an ideal response?

Biology & Microbiology

Which of the following events is (are) related to the

origin of our solar system? a. explosions of dying stars b. formation of a dense cloud of dust and gas c. cooling of cosmic matter d. coalescing of cosmic matter influenced by gravity e. all of these

Biology & Microbiology