Lysosomes help destroy worn-out organelles by the process of (blank).

Lysosomes help destroy worn-out organelles by the process of (blank).

A) autolysis
B) autophagy
C) apoptosis
D) acrosomy


Answer: B

Cells have the ability to divide an unlimited number of times.

Cells have the ability to divide an unlimited number of times.

A) True
B) Flase


Answer: B

Which of the following choices shows the correct order of cell diameters, from smallest to largest?

Which of the following choices shows the correct order of cell diameters, from smallest to largest?

A) red blood cell, sperm, oocyte
B) oocyte, sperm, red blood cell
C) sperm, red blood cell, oocyte
D) red blood cell, oocyte, sperm


Answer: C

The enzymes that splice the introns out of the initial mRNA strands are (blank).

The enzymes that splice the introns out of the initial mRNA strands are (blank).

A) proteasomes
B) messenger RNA molecules
C) small nuclear ribonucleoproteins
D) RNA polymerases


Answer: C

Which of the following would be found in the nucleus?

Which of the following would be found in the nucleus?

A) rough endoplasmic reticulum
B) ribosomes
C) nucleolus
D) DNA
E) cytosol
F) chromatin


Answer: B, C, D, and F

The backbone of a phospholipid molecule is a (blank) molecule, which is attached to two hydrophobic tails and a phosphate head group.

The backbone of a phospholipid molecule is a (blank) molecule, which is attached to two hydrophobic tails and a phosphate head group.

Answer: glycerol

Carrier proteins are also known as (blank) and can move polar molecules, like glucose, across the plasma membrane.

Carrier proteins are also known as (blank) and can move polar molecules, like glucose, across the plasma membrane.

Answer: transporters

The (blank) that are produced at the end of meiosis are genetically unique; they are not the same as the parent cell or identical to each other.

The (blank) that are produced at the end of meiosis are genetically unique; they are not the same as the parent cell or identical to each other.

Answer: gamete; sperm; egg; oocyte; haploid cells

Identification and discovery of new genes is the focus of (blank) research.

Identification and discovery of new genes is the focus of (blank) research.

Answer: genomics

Where would you find the rough endoplasmic reticulum of a cell?

Where would you find the rough endoplasmic reticulum of a cell?

A) on the plasma membrane
B) in the cytosol
C) inside the nucleus


Answer: B

If a codon on an mRNA molecule is ACG, the anticodon that binds to it will be

If a codon on an mRNA molecule is ACG, the anticodon that binds to it will be

A) TCG
B) ACG
C) TCG
D) UGC


Answer: D

Pancreatitis is an acute inflammation of the pancreas, caused by the premature activation of digestive enzymes that then digest the pancreatic tissue and cause severe homeostatic imbalances. These enzymes are often found in which part of the cell?

Pancreatitis is an acute inflammation of the pancreas, caused by the premature activation of digestive enzymes that then digest the pancreatic tissue and cause severe homeostatic imbalances. These enzymes are often found in which part of the cell?

A) lysosomes
B) nucleus
C) cytoplasm
D) mitochondria



Answer: A

The medical branch that deals with treating the elderly and their associated medical problems is known as (blank).

The medical branch that deals with treating the elderly and their associated medical problems is known as (blank).

A) oncology
B) pediatrics
C) geriatrics
D) neonatology


Answer: C

Your patient has a benign tumor in her head and is complaining of headaches of increasing severity. You find that the humor has grown in recent months. Which of the following could be occurring in this tumor?

Your patient has a benign tumor in her head and is complaining of headaches of increasing severity. You find that the humor has grown in recent months. Which of the following could be occurring in this tumor?

A) atrophy
B) anaplasia
C) hyperplasia


Answer: C

Sodium ions (Na+) move across the plasma membrane (blank).

Sodium ions (Na+) move across the plasma membrane (blank).

A) towards negatively-charged areas
B) in unpredictable directions
C) both towards negatively-charged and positively-charged areas equally
D) towards positively-charged areas


Answer: A

Cells that contain long extensions and conduct electrical impulses are the (blank).

Cells that contain long extensions and conduct electrical impulses are the (blank).

A) red blood cells
B) epithelial cells
C) muscle cells
D) nerve cells


Answer: D

A nucleosome is (blank).

A nucleosome is (blank).

A) an opening in the nuclear envelope
B) a condensed chromosome
C) DNA wrapped twice around a histone
D) the entire genome


Answer: C

Calcium ions are typically kept at very low internal concentrations in cardiac muscle cells; however, calcium is stored in specialized organelles so that it is available to trigger contractions on a regular basis. How must calcium be transported out of the cytoplasm and into these organelles?

Calcium ions are typically kept at very low internal concentrations in cardiac muscle cells; however, calcium is stored in specialized organelles so that it is available to trigger contractions on a regular basis. How must calcium be transported out of the cytoplasm and into these organelles?

A) active transport
B) facilitated diffusion
C) passive diffusion
D) phagocytosis


Answer: A

Patients may be treated for cancer through a variety of methods. Which of the following may be used for treating a cancer patient?

Patients may be treated for cancer through a variety of methods. Which of the following may be used for treating a cancer patient?

A) anesthetics
B) diuretics
C) antibiotics
D) chemotherapy
E) radiation


Answer: D and E

Components of the cytoskeleton include which of the following?

Components of the cytoskeleton include which of the following?

A) cytoplasm
B) microtubules
C) plasma membrane
D) intermediate filaments
E) microfilaments
F) mitochondria


Answer: B, D, and E