bio 105 chapter 7 reading quiz

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The function of the nucleolus is

to manufacture ribosomal RNA

Which of the following structures is essential for the successful operation of the endomembrane system?

transport vesicles

As cell size increases, the

volume increases proportionally more than the surface area.

Which of the following statements regarding the endomembrane system is false?

The endomembrane system is a system of interrelated membranes that are all physically connected.

Which of the following statements about enzymes is false?

They are monomers used to build proteins.

Which of the following is NOT a part of the endomembrane system?

mitochondria

Myosin is a contractile protein found in muscles that is composed of three pairs of subunits, two heavy chains, and two pairs of two different types of light chains, for a total of six subunits. Myosin contains what level(s) of protein structure?

primary, secondary, tertiary, and quaternary

You would expect a cell with an extensive Golgi apparatus to _____.

secrete a lot of material

What components make up a nucleotide?

sugar, nitrogenous base, phosphate group

Amino acids can be distinguished from one another by

the chemical properties of their R groups.


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