Question 1

Discuss the two main phases that occur during protein synthesis.

Accepted Answer

1. Transcription (DNA-directed synthesis...

Question 2

Explain what is meant by selective permeability in reference to the plasma membrane.

Accepted Answer

The plasma membrane is a selectively per...

Question 3

Match the following:
-Type of tissue that is specialized to contract and produce movement

Accepted Answer

A)  epithelial tissue
B)  connective tissue
C)  nervous tissue
D)  muscle tissue

Question 4

Sequences of three bases found in messenger RNA (mRNA)  are called ________.

Accepted Answer

A)   anticodons
B)   deoxyribose sugars
C)   codons
D)   ribosomes
E)   amino acids

Question 5

The molecule that carries an amino acid to the ribosome for incorporation into a protein is ________.

Accepted Answer

A)   ATP
B)   messenger RNA (mRN
A)  
C)   ribosomal RNA (rRN
A)  
D)   DNA
E)   transfer RNA (tRN
A)

Question 6

Match the following:
-Type of passive process in which water is moved through aquaporins

Accepted Answer

A)  Endocytosis
B)  Diffusion
C)  Osmosis
D)  Solute pumping

Question 7

A cell is isotonic to the surrounding 4% dextrose solution. If the cell is moved to a 6% dextrose solution, then predict what will happen to the cell.

Accepted Answer

A)   The cell will shrink.
B)   The cell will not change in size or shape.
C)   The cell will bloat.
D)   The cell will rupture.
E)   The cell will lyse.

Question 8

The tissue shown in Figure 3.3 most likely ________.

Accepted Answer

A)   contracts to produce movement
B)   transmits electrochemical impulses
C)   covers and lines body surfaces
D)   stores fat
E)   contains a matrix

Question 9

Some antibiotics inhibit tRNA from delivering amino acids to the ribosome. What process cannot be completed?

Accepted Answer

A)   transcription
B)   mitosis
C)   replication
D)   translation
E)   cytokinesis

Question 10

Phospholipid tails are hydrophilic and are attracted to water.

Accepted Answer

A) True 
 B)False

Question 11

The preparation of secretory vesicles for export from the cell is the responsibility of the ________.

Accepted Answer

A)   mitochondrion
B)   Golgi apparatus
C)   cytoskeleton
D)   peroxisome
E)   smooth endoplasmic reticulum

Question 12

________ glands possess ducts that transport secretions onto epithelial surfaces.

Accepted Answer

A)   Endocrine
B)   Adrenal
C)   Thyroid
D)   Exocrine

Question 13

What assists the movement of substances by facilitated diffusion?

Accepted Answer

A)   ATP
B)   protein carrier or channel
C)   lysosomes
D)   aquaporins
E)   solute pumps

Question 14

A fat-soluble vitamin, vitamin A, is moving down its concentration gradient into a cell. What type of membrane transport is responsible for its movement? Describe this process.

Accepted Answer

Vitamin A is moving via simple diffusion...

Question 15

Match the following:
-Smooth ER

Accepted Answer

A)  cellular extensions that move substances along the cell surface
B)  site of protein synthesis
C)  packages substances for release from cell
D)  increases surface area of plasma membrane for absorption
E)  synthesizes cholesterol and fatF) internal framework composed of a network of protein structuresG) cylindrical structures made of tubulin proteinsH) genetic control center of the cellI) site of ATP synthesisJ) site of intracellular digestion

Question 16

Irritability and conductivity are the two major functional characteristics of ________.

Accepted Answer

A)   epithelial tissue
B)   nervous tissue
C)   loose connective tissue
D)   dense connective tissue

Question 17

Match the following:
-Chromosomes align at the center of the spindle

Accepted Answer

A)  anaphase
B)  telophase
C)  prophase
D)  metaphase

Question 18

Match the following:
-Cytokinesis is completed

Accepted Answer

A)  anaphase
B)  telophase
C)  prophase
D)  metaphase

Question 19

Match the following:
-Cilia

Accepted Answer

A)  cellular extensions that move substances along the cell surface
B)  site of protein synthesis
C)  packages substances for release from cell
D)  increases surface area of plasma membrane for absorption
E)  synthesizes cholesterol and fatF) internal framework composed of a network of protein structuresG) cylindrical structures made of tubulin proteinsH) genetic control center of the cellI) site of ATP synthesisJ) site of intracellular digestion

Question 20

Match the following:
-Cytoskeleton

Accepted Answer

A)  cellular extensions that move substances along the cell surface
B)  site of protein synthesis
C)  packages substances for release from cell
D)  increases surface area of plasma membrane for absorption
E)  synthesizes cholesterol and fatF) internal framework composed of a network of protein structuresG) cylindrical structures made of tubulin proteinsH) genetic control center of the cellI) site of ATP synthesisJ) site of intracellular digestion

Exam 3: Cells and Tissues

A fat-soluble vitamin, vitamin A, is moving down its concentration gradient into a cell. What type of membrane transport is responsible for its movement? Describe this process.

Correct AnswerverifiedVitamin A is moving via simple diffusion...View AnswerShow Answer

The preparation of secretory vesicles for export from the cell is the responsibility of the ________.

Correct AnswerverifiedShow Answer

Sequences of three bases found in messenger RNA (mRNA) are called ________.

Correct AnswerverifiedShow Answer

Match the following: -Type of passive process in which water is moved through aquaporins

Correct AnswerverifiedShow Answer

Match the following: -Type of tissue that is specialized to contract and produce movement

Correct AnswerverifiedShow Answer

Match the following: -Smooth ER

Correct AnswerverifiedShow Answer

Discuss the two main phases that occur during protein synthesis.

Correct Answerverified1. Transcription (DNA-directed synthesis...View AnswerShow Answer

The tissue shown in Figure 3.3 most likely ________.

Correct AnswerverifiedShow Answer

Explain what is meant by selective permeability in reference to the plasma membrane.

Correct AnswerverifiedThe plasma membrane is a selectively per...View AnswerShow Answer

Irritability and conductivity are the two major functional characteristics of ________.

Correct AnswerverifiedShow Answer

Match the following: -Cilia

Correct AnswerverifiedShow Answer

________ glands possess ducts that transport secretions onto epithelial surfaces.

Correct AnswerverifiedShow Answer

Match the following: -Cytoskeleton

Correct AnswerverifiedShow Answer

Match the following: -Chromosomes align at the center of the spindle

Correct AnswerverifiedShow Answer

The molecule that carries an amino acid to the ribosome for incorporation into a protein is ________.

Correct AnswerverifiedShow Answer

A cell is isotonic to the surrounding 4% dextrose solution. If the cell is moved to a 6% dextrose solution, then predict what will happen to the cell.

Correct AnswerverifiedShow Answer

Phospholipid tails are hydrophilic and are attracted to water.

Correct AnswerverifiedShow Answer

Match the following: -Cytokinesis is completed

Correct AnswerverifiedShow Answer

Some antibiotics inhibit tRNA from delivering amino acids to the ribosome. What process cannot be completed?

Correct AnswerverifiedShow Answer

What assists the movement of substances by facilitated diffusion?

Correct AnswerverifiedShow Answer

Correct Answer
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Vitamin A is moving via simple diffusion...
View Answer

Correct Answer
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1. Transcription (DNA-directed synthesis...
View Answer

Correct Answer
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Correct Answer
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The plasma membrane is a selectively per...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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