Filters
Question type

Study Flashcards

Insulin is synthesized in significant quantities only in beta cells in the pancreas.When the beta cell is appropriately stimulated by rising blood glucose levels,insulin is secreted from the cell by exocytosis.What organelle would be responsible for the packaging and transporting the insulin out of the cell?


A) nucleus
B) ribosomes
C) Golgi apparatus
D) lysosomes
E) centrioles

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

Which of the following features is unique to bacterial cells?


A) nucleoid region
B) nucleus
C) cell membrane
D) cell wall
E) ribosome

F) A) and C)
G) All of the above

Correct Answer

verifed

verified

Which statement about the nucleus is incorrect?


A) The nucleus contains the genetic material of the cell.
B) The nucleus contains the information that ribosomes use to carry out protein synthesis.
C) The nucleus contains the instructions for copying itself.
D) The nucleus contains the information that ribosomes use to carry out cellular respiration.

E) B) and D)
F) None of the above

Correct Answer

verifed

verified

A multicellular organism,such as a rabbit,is


A) composed of many cells that are all the same type.
B) composed of a single cell.
C) composed of a variety of different cell types.
D) composed of one giant cell.

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Which cytoskeletal element is NOT correctly associated with its characteristic?


A) Cilia are small extensions of membrane-surrounded microtubules.
B) Microtubules are made up of a globular protein called tubulin.
C) Centrioles are found in the microtubule organizing centers of plants.
D) Flagella have a nine + two pattern of microtubule structure.
E) Basal bodies are located at the base of cilia and flagella.

F) A) and E)
G) B) and D)

Correct Answer

verifed

verified

Without a cytoskeleton,eukaryotic cells would NOT


A) synthesize protein.
B) have an efficient way to transport materials from one organelle to another.
C) have an efficient means of metabolism.
D) communicate with adjacent cells.

E) None of the above
F) B) and C)

Correct Answer

verifed

verified

Which of the following products can be found in vacuoles?


A) water
B) sugars
C) water-soluble pigments
D) All of these are found in vacuoles.

E) C) and D)
F) B) and D)

Correct Answer

verifed

verified

As a cell increases in size,the


A) surface-area-to-volume ratio increases.
B) surface-area-to-volume ratio decreases.
C) surface-area-to-volume stays the same.
D) change in surface area relative to volume is unpredictable and depends on the type of cell.

E) B) and C)
F) A) and D)

Correct Answer

verifed

verified

Chloroplasts are to ________ as ________ are to aerobic respiration.


A) stroma; cristae
B) photosynthesis; mitochondria
C) thylakoid membranes; matrix
D) protein synthesis; lysosomes

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

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


A) mitochondria
B) endoplasmic reticulum
C) lysosomes
D) Golgi complex

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

What is the smallest unit of living matter?


A) atom
B) element
C) Golgi apparatus
D) cell
E) nucleus

F) B) and C)
G) C) and D)

Correct Answer

verifed

verified

Single-celled paramecia as well as the cells that line our respiratory tract have these short hairlike projections:


A) flagella
B) microfilaments
C) centrioles
D) cilia
E) pili

F) B) and D)
G) B) and C)

Correct Answer

verifed

verified

Which is NOT true about the cell theory?


A) Its various parts were described by Schleiden,Schwann,and Virchow.
B) It states that all organisms are composed of cells.
C) It states that all cells come from preexisting cells.
D) It states that bacteria and other small organisms can arise spontaneously.
E) It is accepted today by biologists as applying to virtually all forms of life.

F) A) and D)
G) A) and C)

Correct Answer

verifed

verified

Mitochondria have an inner membrane system called the thylakoid membranes.

A) True
B) False

Correct Answer

verifed

verified

What cellular organelle is responsible for synthesizing proteins based on the information in a mRNA molecule?


A) Golgi body
B) ribosome
C) nucleus
D) lysosome

E) A) and D)
F) None of the above

Correct Answer

verifed

verified

Which is NOT a characteristic of mitochondria?


A) The folded membrane in mitochondria forms cristae.
B) Mitochondria are the site of cellular respiration.
C) Mitochondria have a single membrane for cellular respiration.
D) Mitochondria contain DNA and ribosomes.
E) The inner space of the mitochondrion contains a fluid matrix.

F) C) and D)
G) A) and C)

Correct Answer

verifed

verified

Which statement is NOT true about bacteria?


A) Bacteria contain membrane bound organelles.
B) Some are photosynthetic.
C) Some are motile due to flagella.
D) All bacteria are prokaryotes.
E) Bacteria have a cell wall that contains peptidoglycan.

F) D) and E)
G) A) and E)

Correct Answer

verifed

verified

If you were to design a structure that would have the greatest potential to interact with the environment through surface area contact,would you design a structure similar to Figure A,B,or C? Explain your answer. If you were to design a structure that would have the greatest potential to interact with the environment through surface area contact,would you design a structure similar to Figure A,B,or C? Explain your answer.

Correct Answer

verifed

verified

One would design a structure similar to ...

View Answer

Which of the following gives rise to both lysosomes and vesicles?


A) rough endoplasmic reticula
B) mitochondria
C) Golgi apparatus
D) ribosomes

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

Which organelle is primarily responsible for the breakdown of lipids within the cell?


A) Golgi apparatus
B) chloroplast
C) vacuole
D) peroxisome

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Showing 21 - 40 of 55

Related Exams

Show Answer