A eukaryote is different from a prokaryote because:

Eukaryotes have a nucleus, while prokaryotes do not

Prokaryotes are larger than eukaryotes

Eukaryotes are always unicellular

A prokaryote is different from a eukaryote because:

Prokaryotes lack membrane-bound organelles

Prokaryotes are always multicellular

Prokaryotes are larger than eukaryotes

Which of the following statements describes the formation of the phospholipid bilayer?

Phospholipids align themselves with hydrophilic heads facing outward and hydrophobic tails facing inward

Phospholipids are arranged randomly in the membrane

Phospholipids form a single layer with heads and tails facing the same direction

Phospholipids do not form a bilayer

In a cell membrane, what would happen if the phosphate heads were hydrophobic and the fatty tails were hydrophilic?

The membrane would not form correctly

The membrane would form a bilayer

The membrane would become more permeable

The membrane would become impermeable

An advantage of a cell’s membrane being amphipathic is that:

It allows for the formation of a barrier that separates the internal and external environments

It can easily dissolve in water

It can transport large molecules

A scientist is developing a new method to protect the cell against harmful substances. If the scientist is experimenting with cholesterol in the membrane, what would be an optimal result?

Enhanced stability of the membrane

Increased fluidity of the membrane

Decreased permeability of the membrane

Which types of cell transport require the use of energy (ATP)?

Active transport and exocytosis

Passive transport and diffusion

Osmosis and facilitated diffusion

Which of the following describes how the concentration of molecules moves during osmosis?

From high solute concentration to low solute concentration

From low solute concentration to high solute concentration

In equal amounts on both sides of the membrane

Which of the following describes how the concentration of molecules moves during exocytosis?

From high concentration to low concentration

From low concentration to high concentration

In equal amounts on both sides of the membrane

Which of the following describes how the concentration of molecules moves during facilitated diffusion?

From high concentration to low concentration

From low concentration to high concentration

In equal amounts on both sides of the membrane

The cell membrane in capillaries allows small molecules to pass through easily because they move with the concentration gradient. Which of the following statements regarding this type of cell transport is correct?

It is an example of passive transport

It is an example of active transport

The cell membrane in lungs allows oxygen to pass freely in and out of the cell without the need for ATP. Which of the following statements regarding this type of cell transport is correct?

It is an example of passive transport

It is an example of active transport

What is the relationship between osmosis and facilitated diffusion?

Osmosis involves water, while facilitated diffusion involves solutes

What is the relationship between exocytosis and endocytosis?

Both are forms of active transport

One moves substances out of the cell while the other moves substances into the cell

A cell is placed into a solution with a salt concentration of 11%, and it shrivels. Which of the following statements is true about the salt concentration of the cell?

The cell has a higher salt concentration than the solution

The cell has a lower salt concentration than the solution

The salt concentration of the cell is equal to the solution

The cell is isotonic to the solution

What does an athlete need to do to prevent hypertonic dehydration during an athletic event?

Drink water or electrolyte solutions

When a person sweats, cellular homeostasis is unbalanced because:

There is a loss of water and electrolytes

Which of the following statements about feedback loops is most accurate?

B) They are essential for maintaining homeostasis.

A) They only support positive changes in a system.

C) They are irrelevant in biological systems.

D) They always amplify changes regardless of conditions.

Bio A -Module A Exam Review

Authored by Sean Murphy

Science

9th Grade

NGSS covered

Used 27+ times

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51 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Homeostasis is:

The process by which organisms maintain a stable internal environment

The study of living organisms

The sum of all chemical reactions in an organism

A type of viral infection

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Biology is:

The study of the Earth and its ecosystems

The study of living organisms and their interactions

The study of chemical reactions in living organisms

The study of human anatomy

Tags

NGSS.HS-LS1-2

NGSS.HS-LS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The influenza virus cannot be classified as living because:

It lacks a cellular structure

It cannot reproduce independently

It does not have metabolic processes

All of the above

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following organelles is a lipid bilayer and controls what enters and exits the cell?

Mitochondria

Cell membrane

Nucleus

Ribosome

Tags

NGSS.MS-LS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following organelles manufactures lipids and hormones?

Golgi apparatus

Endoplasmic reticulum

Lysosome

Ribosome

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following organelles is the location of ATP production?

Ribosome

Chloroplast

Mitochondria

Nucleus

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following organelles breaks down dead cells by using digestive enzymes?

Lysosome

Nucleus

Mitochondria

Golgi apparatus

Tags

NGSS.MS-LS1-2

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Bio A -Module A Exam Review

Homeostasis is:

Biology is:

The influenza virus cannot be classified as living because:

Which of the following organelles is a lipid bilayer and controls what enters and exits the cell?

Which of the following organelles manufactures lipids and hormones?

Which of the following organelles is the location of ATP production?

Which of the following organelles breaks down dead cells by using digestive enzymes?

Which of the following organelles is a sac-like network with ribosomes attached to it?

Which of the following organelles packages, processes, and transports proteins and lipids within the cell?

All of the following are life-sustaining molecules in living cells except:

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