Biology 109 Exam Chapters 1, 2, &3 w/ Notes
Exam Newest 2026 Questions and Correct
Detailed Answers Already Graded A+
Which of the following must be an organic compound: water, bases, acids, or
nucleotides? - CORRECT ANSWER-Nucleotides
Carbohydrates, lipids, and proteins are called - CORRECT ANSWER-Organic
molecules
What is the ideal pH range for the human body? - CORRECT ANSWER-7.35-
7.45
Organic molecules that process and store genetic information is called -
CORRECT ANSWER-Nucleic acids
The most abundant high-energy compound inside cells is - CORRECT ANSWER-
ATP
Hydrophobic molecules readily mix with - CORRECT ANSWER-Lipids
,Helium (He) has an atomic number of 2. It is chemically stable because -
CORRECT ANSWER-It has a full outer electron shell
Protons belong to what level of organization? - CORRECT ANSWER-Chemical
and Molecular Level `
What organ system helps defend against infection and disease? - CORRECT
ANSWER-Lymphatic system
The tissue level of organization would include which of the following?
a. Brain
b. Protein filaments
c. Kidneys
d. Skeletal muscle - CORRECT ANSWER-D. Skeletal muscle
List the levels of organization in the body from smallest to largest. - CORRECT
ANSWER-Molecular, cellular, tissues, organs, organ systems, organisms
The teeth, esophagus, and liver are apart of what organ system? - CORRECT
ANSWER-Digestive
, Which plane divides the body into left and right portions? - CORRECT
ANSWER-Saggital
A person standing, facing forward, arms to the side with palms facing forward is in
what position? - CORRECT ANSWER-Anatomical
Your wrist is ____________ to your elbow - CORRECT ANSWER-Distal
A cell, tissue, or organ that responds to commands given by the control center is
the - CORRECT ANSWER-Effector
This type of feedback works against a change to keep conditions within the body
within a certain range - CORRECT ANSWER-Negative
This type of feedback exaggerates or amplifies the body response - CORRECT
ANSWER-Positive
The visceral pericardium is located - CORRECT ANSWER-On the heart itself
Exam Newest 2026 Questions and Correct
Detailed Answers Already Graded A+
Which of the following must be an organic compound: water, bases, acids, or
nucleotides? - CORRECT ANSWER-Nucleotides
Carbohydrates, lipids, and proteins are called - CORRECT ANSWER-Organic
molecules
What is the ideal pH range for the human body? - CORRECT ANSWER-7.35-
7.45
Organic molecules that process and store genetic information is called -
CORRECT ANSWER-Nucleic acids
The most abundant high-energy compound inside cells is - CORRECT ANSWER-
ATP
Hydrophobic molecules readily mix with - CORRECT ANSWER-Lipids
,Helium (He) has an atomic number of 2. It is chemically stable because -
CORRECT ANSWER-It has a full outer electron shell
Protons belong to what level of organization? - CORRECT ANSWER-Chemical
and Molecular Level `
What organ system helps defend against infection and disease? - CORRECT
ANSWER-Lymphatic system
The tissue level of organization would include which of the following?
a. Brain
b. Protein filaments
c. Kidneys
d. Skeletal muscle - CORRECT ANSWER-D. Skeletal muscle
List the levels of organization in the body from smallest to largest. - CORRECT
ANSWER-Molecular, cellular, tissues, organs, organ systems, organisms
The teeth, esophagus, and liver are apart of what organ system? - CORRECT
ANSWER-Digestive
, Which plane divides the body into left and right portions? - CORRECT
ANSWER-Saggital
A person standing, facing forward, arms to the side with palms facing forward is in
what position? - CORRECT ANSWER-Anatomical
Your wrist is ____________ to your elbow - CORRECT ANSWER-Distal
A cell, tissue, or organ that responds to commands given by the control center is
the - CORRECT ANSWER-Effector
This type of feedback works against a change to keep conditions within the body
within a certain range - CORRECT ANSWER-Negative
This type of feedback exaggerates or amplifies the body response - CORRECT
ANSWER-Positive
The visceral pericardium is located - CORRECT ANSWER-On the heart itself
