$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{ATP}$$

$$6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{light energy} \rightarrow \mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$}$$

Question 1

Which of the following is the correct sequence for the passage of air through the respiratory system in humans?

Accepted Answer

Nasal cavity → Trachea → Bronchi → Alveoli

Question 2

Which structure in the digestive system has a low pH when protein is denatured by HCl?

Accepted Answer

Stomach

Question 3

A plant cell is placed in a hypotonic solution. What will happen to the plant cell and the movement of water?

Accepted Answer

Water will move into the cell, causing it to swell.

Question 4

Which of the following equations correctly represents aerobic cellular respiration?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} ightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{ATP}$$

Question 5

Which of the following statements about the immune response is TRUE?

Accepted Answer

Adaptive immunity involves memory cells that respond faster upon re-exposure.

Question 6

Which hormone is released in response to low blood glucose and acts as a negative feedback loop?

Accepted Answer

Glucagon

Question 7

Which of the following is NOT a typical characteristic of innate immunity?

Accepted Answer

Memory formation

Question 8

Which of the following best describes the function of antibodies?

Accepted Answer

Antibodies bind to pathogens and neutralize them.

Question 9

Which of the following is the main force that moves water within xylem vessels from roots to leaves?

Accepted Answer

Transpiration pull

Question 10

Which of the following statements about graded potentials and action potentials is CORRECT?

Accepted Answer

Action potentials are triggered when the membrane potential reaches threshold.

Question 11

Which of the following is the correct sequence of events describing muscle contraction?

Accepted Answer

Myosin binds to actin, power stroke occurs, ATP binds to myosin, myosin releases actin

Question 12

Which of the following is a key feature of effective immune response in plants?

Accepted Answer

Recognition of pathogen-associated molecular patterns (PAMPs)

Question 13

Which of the following statements about the nervous system is TRUE?

Accepted Answer

The central nervous system includes the brain and spinal cord.

Question 14

Which of the following is the correct equation for photosynthesis?

Accepted Answer

$$6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{light energy} ightarrow \mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$}$$

Question 15

Which of the following is NOT a part of the nephron in the mammalian excretory system?

Accepted Answer

Alveolus

Question 16

Which of the following statements about the endocrine system is CORRECT?

Accepted Answer

Hormones are released into the bloodstream and can act on distant target cells.

Question 17

Which of the following is a function of the plasma cell in adaptive immunity?

Accepted Answer

Production of antibodies

Question 18

Which of the following is the main function of the loop of Henle in the nephron?

Accepted Answer

Concentration of urine by creating a gradient of solute concentration

Question 19

Which of the following best explains the difference between antigens, epitopes, and antibodies in the immune system?

Accepted Answer

The antigen is a molecule on a pathogen, and an epitope is a specific region on the antigen that an antibody binds.

Study Guidance for Biology 115: Organismal Form and Function

Study Guide - Practice Questions