Chap 7 Inside the Cell s.pdf Flashcards
1) All of the following are part of a prokaryotic cell EXCEPT \_\_\_\_\_\_\_\_. A) DNA B) a cell wall C) a plasma membrane D) ribosomes E) an endoplasmic reticulum
E) an endoplasmic reticulum
2) In a bacterium, we will find DNA in \_\_\_\_\_\_\_\_. A) a membrane-enclosed nucleus B) mitochondria C) the endoplasmic reticulum D) the nucleoid E) ribosomes
D) the nucleoid
3) Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules? A) lipids B) glycogen C) proteins D) cellulose E) nucleic acids
C) proteins
4) Which of the following is present in a prokaryotic cell? A) mitochondrion B) ribosome C) nuclear envelope D) chloroplast E) ER
B) ribosome
) Which of the following is NOT found in a prokaryote? A) DNA B) a cell wall C) a mitochondrion D) a plasma membrane
C) a mitochondrion
6) The evolution of eukaryotic cells most likely involved ________.
A) endosymbiosis of an aerobic bacterium in a larger host cell–the endosymbiont
evolved into mitochondria
B) anaerobic archaea taking up residence inside a larger bacterial host cell to escape
toxic oxygen–the anaerobic bacterium evolved into chloroplasts
C) an endosymbiotic fungal cell evolving into the nucleus
D) acquisition of an endomembrane system and subsequent evolution of mitochondria
from a portion of the Golgi apparatus
A) endosymbiosis of an aerobic bacterium in a larger host cell–the endosymbiont
evolved into mitochondria
7) The nuclear lamina is an array of filaments on the inner side of the nuclear membrane. If a method were found that could cause the lamina to fall into disarray,
what would you most likely expect to be the immediate consequence?
A) the loss of all nuclear function
B) the inability of the nucleus to divide during cell division
C) a change in the shape of the nucleus
D) failure of chromosomes to carry genetic information
E) inability of the ribosomes to produce proteins
C) a change in the shape of the nucleus
8) A cell with a predominance of free ribosomes is most likely ________.
A) primarily producing proteins for secretion
B) primarily producing proteins in the cytosol
C) constructing an extensive cell wall or extracellular matrix
D) digesting large food particles
E) enlarging its vacuole
B) primarily producing proteins in the cytosol
9) Which type of organelle or structure is primarily involved in the synthesis of oils, phospholipids, and steroids? A) ribosome B) lysosome C) smooth endoplasmic reticulum D) mitochondrion E) contractile vacuole
C) smooth endoplasmic reticulum
10) Which structure is the site of the synthesis of proteins that may be exported from the cell? A) rough ER B) lysosomes C) plasmodesmata D) Golgi vesicles E) free cytoplasmic ribosomes
A) rough ER
11) The Golgi apparatus has a polarity, or sidedness, to its structure and function.
Which of the following statements correctly describes this polarity?
A) Transport vesicles fuse with one side of the Golgi and leave from the opposite side.
B) Proteins in the membrane of the Golgi may be sorted and modified as they move
from one side of the Golgi to the other.
C) Lipids in the membrane of the Golgi may be sorted and modified as they move from
one side of the Golgi to the other.
D) Soluble proteins in the cisternae (interior) of the Golgi may be sorted and modified as
they move from one side of the Golgi to the other.
E) All of the listed responses correctly describe polarity characteristics of the Golgi
function.
E) All of the listed responses correctly describe polarity characteristics of the Golgi
function.
12) Tay-Sachs disease is a human genetic abnormality that results in cells
accumulating and becoming clogged with very large, complex, undigested lipids. Which
cellular organelle must be involved in this condition?
A) the endoplasmic reticulum
B) the Golgi apparatus
C) the lysosome
D) mitochondrion
E) membrane-bound ribosomes
C) the lysosome
13) The liver is involved in detoxification of many poisons and drugs. Which of the following structures is primarily involved in this process and, therefore, abundant in liver cells? A) rough ER B) smooth ER C) Golgi apparatus D) nuclear envelope E) transport vesicles
B) smooth ER
14) Which of the following produces and modifies polysaccharides that will be secreted? A) lysosome B) vacuole C) mitochondrion D) Golgi apparatus E) peroxisome
D) Golgi apparatus
15) Which of the following contains hydrolytic enzymes? A) lysosome B) vacuole C) mitochondrion D) Golgi apparatus E) peroxisome
A) lysosome
16) Which organelle often takes up much of the volume of a plant cell? A) lysosome B) vacuole C) mitochondrion D) Golgi apparatus E) peroxisome
B) vacuole
17) Which organelle is the primary site of ATP synthesis in eukaryotic cells? A) lysosome B) vacuole C) mitochondrion D) Golgi apparatus E) peroxisome
C) mitochondrion
18) Which plant cell organelle contains its own DNA and ribosomes? A) glyoxysome B) vacuole C) mitochondrion D) Golgi apparatus E) peroxisome
C) mitochondrion
19) Which animal cell organelle contains enzymes that transfer hydrogen from various substrates to oxygen? A) lysosome B) vacuole C) mitochondrion D) Golgi apparatus E) peroxisome
E) peroxisome
20) Thylakoids, DNA, and ribosomes are all components found in \_\_\_\_\_\_\_\_. A) vacuoles B) chloroplasts C) mitochondria D) lysosomes E) nuclei
B) chloroplasts
21) In a plant cell, DNA may be found ________.
A) only in the nucleus
B) only in the nucleus and mitochondria
C) only in the nucleus and chloroplasts
D) in the nucleus, mitochondria, and chloroplasts
E) in the nucleus, mitochondria, chloroplasts, and peroxisomes
D) in the nucleus, mitochondria, and chloroplasts
22) Suppose a cell has the following molecules and structures: enzymes, DNA,
ribosomes, plasma membrane, and mitochondria. It could be a cell from ________.
A) a bacterium
B) an animal but not a plant
C) nearly any eukaryotic organism
D) a plant but not an animal
E) any kind of prokaryotic organism
C) nearly any eukaryotic organism
23) When a potassium ion (K+) moves from the soil into the vacuole of a cell on the
surface of a root, it must pass through several cellular structures. Which of the following
correctly describes the order in which these structures will be encountered by the ion?
A) plasma membrane → primary cell wall → cytoplasm → vacuole
B) secondary cell wall → plasma membrane → primary cell wall → cytoplasm →
vacuole
C) primary cell wall → plasma membrane → cytoplasm → vacuole
D) primary cell wall → plasma membrane → lysosome → cytoplasm → vacuole
E) primary cell wall → plasma membrane → cytoplasm → secondary cell wall →
vacuole
C) primary cell wall → plasma membrane → cytoplasm → vacuole
24) Where are proteins produced other than on ribosomes free in the cytosol or ribosomes attached to the ER? A) in the extracellular matrix B) in the Golgi apparatus C) in lysosomes D) in mitochondria E) in the nucleolus
D) in mitochondria
