Chapter 3 Quiz: The Cellular Level of Organization

The rough ER has its name due to what associated structures? A) lysosomes B) ribosomes C) proteins D) Golgi apparatus

B) ribosomes

Which of the following sequences on a DNA molecule would be complementary to GCTTATAT? A) CGAATATA B) TCGGTCTC C) TAGGCGCG D) ATCCGCGC

A) CGAATATA

How many "letters" of an RNA molecule, in sequence, does it take to provide the code for a single amino acid? A) 1 B) 2 C) 3 D) 4

C) 3

Place the following structures in order from least to most complex organization: chromatin, nucleosome, DNA, chromosome A) DNA, chromatin, nucleosome, chromosome B) DNA, nucleosome, chromatin, chromosome C) nucleosome, DNA, chromosome, chromatin D) nucleosome, chromatin, DNA, chromosome

B) DNA, nucleosome, chromatin, chromosome

The nucleus and mitochondria share which of the following features? A) protein-lined membrane pores B) a double cell membrane C) the synthesis of ribosomes D) the production of cellular energy

B) a double cell membrane

What multipotent stem cells from children are sometimes banked by parents? A) hematopoietic stem cells from red and white blood cells B) cells from the umbilical cord and from baby teeth C) fetal stem cells D) embryonic stem cells

B) cells from the umbilical cord and from baby teeth

Which of the following organelles produces large quantities of ATP when both glucose and oxygen are available to the cell? A) peroxisomes B) endoplasmic reticulum C) mitochondria D) lysosomes

C) mitochondria

Arrange the following terms in order of increasing specialization: oligopotency, pleuripotency, unipotency, multipotency. A) multipotency, pleuripotency, oligopotency, unipotency B) oligopotency, pleuripotency, unipotency, multipotency C) pleuripotency, oligopotency, multipotency, unipotency D) pleuripotency, multipotency, oligopotency, unipotency

D) pleuripotency, multipotency, oligopotency, unipotency

Which of the following is part of the elongation step of DNA synthesis? A) attaching complementary nucleotides to the template strand B) untwisting the DNA helix C) pulling apart the two DNA strands D) none of the above

A) attaching complementary nucleotides to the template strand

Which of the following is not a difference between DNA and RNA? A) DNA contains thymine whereas RNA contains uracil B) DNA contains deoxyribose and RNA contains ribose C) DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars D) RNA is single stranded and DNA is double stranded

C) DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars

Which of the following is not made out of RNA? A) the messenger molecule that provides the code for protein synthesis B) the carriers that shuffle amino acids to a growing polypeptide strand C) an intron D) DNA

D) DNA

Which of the following phases is characterized by preparation for DNA synthesis? A) S B) G0 C) Interphase D) G1

D) G1

Which of the following is a feature common to all three components of the cytoskeleton? A) They all help the cell resist compression and tension. B) They all serve to scaffold the organelles within the cell. C) They are all characterized by roughly the same diameter. D) They are all polymers of protein subunits.

D) They are all polymers of protein subunits.

Ion pumps and phagocytosis are both examples of ________. A) endocytosis B) facilitated transport C) passive transport D) active transport

D) active transport

The diffusion of substances within a solution tends to move those substances ________ their ________ gradient. A) up; electrochemical B) up; electrical C) down; pressure D) down; concentration

D) down; concentration