BIOL 2401 Lone Star College -BIOL 2401: Chapters 1-3
Review Questions | 2026/2027 | Answers Correct | With
Complete Solutions
A _____ feedback system reverses the direction of the initial
condition (decreases the stimulus)
A) Positive
B) Negative
C) Stimulatory
D) Neutral
E) Homeostasis Correct Answers B
A 1 M soultion of NaCl would contain ____ grams of NaCl in 1
liter of water.
A) 58
B) 28
C) 116
D) 98
E) 48 Correct Answers A
A chemical bond formed by transferring electrons is ____.
A) Covalent
B) Ionic
C) Peptide
D) Hydrogen
E) Phosphate Correct Answers B
A chemical reaction that builds up or makes bonds is _____.
A) Catabolic
B) Anabolic
C) Decomposition
,D) Exchange
E) Oxidation Correct Answers B
A feedback mechanism a regulate blood glucose levels should
___.
A) Make glucose higher in the blood when the signal is low
B) Make glucose low in the blood when the signalis low
C) Put glucose into cells
D) Make new glucose Correct Answers A
A heart surgeon would enter this portion of the ventral cavity
_____.
A) Pleural
B) Mediastinum
C) Pelvic
D) Cranial
E) Abdominal Correct Answers B
A hypertonic solution is one that is _____.
A) Higher in salt concentration than body fluids
B) Similar to intracellular fluid
C) Lower in solute concentration
D) Normal saline Correct Answers A
A medial position is a position that is _____.
A) Always from the midline
B) Closer to the midline
C) Toward the head
D) Toward the front
E) Near the back Correct Answers B
, A polyunsaturated fat has _____.
A) No double bonds between carbon atoms
B) More than one double bond between carbon atoms
C) Many hydrogens
D) More than one double bond between hyrdogen atoms
E) Many carbons Correct Answers B
A position that is nearer to the point of attachment to the body is
said to be ____.
A) Distal
B) Promixal
C) Superficial
D) Lateral
E) Medial Correct Answers B
A protein which is embedded in the phospholipid bilayer and
may form a channel across the plasma membrane is a(n) _____.
A) Peripheral protein
B) Glycoprotein
C) Glycocalyx
D) Integral protein Correct Answers D
A red blood cell will rupture if placed in this solution _____.
A) Isotonic
B) Hypertonic
C) Hypotonic
D) Cryotonic
E) A,B, and C will cause the cell to burst Correct Answers C
A red blood in pure water will _____.
A) Shrink
Review Questions | 2026/2027 | Answers Correct | With
Complete Solutions
A _____ feedback system reverses the direction of the initial
condition (decreases the stimulus)
A) Positive
B) Negative
C) Stimulatory
D) Neutral
E) Homeostasis Correct Answers B
A 1 M soultion of NaCl would contain ____ grams of NaCl in 1
liter of water.
A) 58
B) 28
C) 116
D) 98
E) 48 Correct Answers A
A chemical bond formed by transferring electrons is ____.
A) Covalent
B) Ionic
C) Peptide
D) Hydrogen
E) Phosphate Correct Answers B
A chemical reaction that builds up or makes bonds is _____.
A) Catabolic
B) Anabolic
C) Decomposition
,D) Exchange
E) Oxidation Correct Answers B
A feedback mechanism a regulate blood glucose levels should
___.
A) Make glucose higher in the blood when the signal is low
B) Make glucose low in the blood when the signalis low
C) Put glucose into cells
D) Make new glucose Correct Answers A
A heart surgeon would enter this portion of the ventral cavity
_____.
A) Pleural
B) Mediastinum
C) Pelvic
D) Cranial
E) Abdominal Correct Answers B
A hypertonic solution is one that is _____.
A) Higher in salt concentration than body fluids
B) Similar to intracellular fluid
C) Lower in solute concentration
D) Normal saline Correct Answers A
A medial position is a position that is _____.
A) Always from the midline
B) Closer to the midline
C) Toward the head
D) Toward the front
E) Near the back Correct Answers B
, A polyunsaturated fat has _____.
A) No double bonds between carbon atoms
B) More than one double bond between carbon atoms
C) Many hydrogens
D) More than one double bond between hyrdogen atoms
E) Many carbons Correct Answers B
A position that is nearer to the point of attachment to the body is
said to be ____.
A) Distal
B) Promixal
C) Superficial
D) Lateral
E) Medial Correct Answers B
A protein which is embedded in the phospholipid bilayer and
may form a channel across the plasma membrane is a(n) _____.
A) Peripheral protein
B) Glycoprotein
C) Glycocalyx
D) Integral protein Correct Answers D
A red blood cell will rupture if placed in this solution _____.
A) Isotonic
B) Hypertonic
C) Hypotonic
D) Cryotonic
E) A,B, and C will cause the cell to burst Correct Answers C
A red blood in pure water will _____.
A) Shrink
