A genetic mutation resulted in a change in the sequence of amino acids of a protein, but the function of the protein was not changed. Which statement best describes the genetic mutation?

It was a silent mutation that caused a change in the DNA of the organism.

It was a silent mutation that caused a change in the phenotype of the organism.

It was a nonsense mutation that caused a change in the DNA of the organism.

It was a nonsense mutation that caused a change in the phenotype of the organism.

A segment of DNA that codes for a protein

A segment of RNA that codes for a protein

How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?

The proteins expressed in each cell are different

The two different cells become mutated

They actually have different DNA in the two types of cells.

The genome of the different cells changes

What is Cell differentiation?

The process of cells becoming specialized for specific functions

The process of cells becoming identical

The process of cells becoming mutated

Which of the following best describes stem cells?

Original human cells that are able to develop into specialized cells

Cells that have already differentiated

Cells that cannot undergo cell division

Cells differentiate to perform different functions because

different genes are turned on or off inside that cell

all genes are turned on inside that cell

all genes are turned off inside that cell

different genes are turned on inside that cell

What is the function of an enzyme?

enzymes speed up chemical reactions

enzymes break themselves into small pieces

enzymes slow down chemical reactions

enzymes combine products to form reactants

What is the primary difference between negative and positive feedback mechanisms?

Negative feedback mechanisms stabilize to reach homeostasis, while positive feedback mechanisms amplify a change.

Negative feedback mechanisms require energy, while positive feedback mechanisms do not.

Positive feedback mechanisms stabilize physiological variables, while negative feedback mechanisms amplify a change.

Negative feedback mechanisms are only found in humans, while positive feedback mechanisms occur in all animals.

What is the function of GUARD cells in plants?

Control the opening & closing of the stomata

Cells that can differentiate into specialized cells.

Cells found in the stems of plants.

Cells that control your genes to be expressed.

Cells that provide nutrients to your blood.

What does cell differentiation mean?

Process by which a less specialized cell becomes a more specialized cell.

Process by which a cell absorbs nutrients.

Process by which a specialized cell becomes a less specialized cell.

Process by which cells enter the cell cycle.

Reduces the number of chromosomes by one half

Allows traits to be passed on to offspring

Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?

In order for genetic information to be transferred into daughter cells.

In order for the cell to be able to increase in size.

In order for the DNA to be contained in the nucleus.

In order for the cell to re-order the DNA sequencing in the new cells.

What is the purpose of Mitosis?

Growth of an organism and Repair of damaged tissue

To help the body get rid of extra cells

To increase the amount of classwork you have to do

How can photosynthesis be related to cellular respiration?

What's produced by one is needed for the other

They both produce the same products

They both have the same reactants (need the same things)

These 2 processes have nothing in common

What is the correct equation for cellular respiration?

6O 2 + C 6 H 12 O 6 -> 6CO 2 + 6H 2 O + Energy

6O 2 + C 6 H 12 O 6 + Energy -> 6CO 2 + 6H 2 O

6CO 2 + 6H 2 O -> 6O 2 + C 6 H 12 O 6 + Energy

6CO 2 + 6H 2 O + Energy -> 6O 2 + C 6 H 12 O 6

Biology Regents Review: Structure & Function

9th - 12th Grade

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50 Qs

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Biology Regents Review: Structure & Function

Quiz

•

Science

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-3, HS-LS1-4, HS-LS3-2

+13

Standards-aligned

Erin Primm

Used 34+ times

FREE Resource

50 questions

Show all answers

REORDER QUESTION

45 sec • 1 pt

What are the levels of biological organization, starting from the smallest living unit?

multicellular organism

system

organ

tissue

cell

Tags

NGSS.HS-LS1-2

FILL IN THE BLANK QUESTION

45 sec • 1 pt

What process do organs work together to maintain, such as the lungs and heart balancing O₂ and CO₂?

Tags

NGSS.HS-LS1-3

FILL IN THE BLANK QUESTION

45 sec • 1 pt

What is the smallest unit of life?

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What type of feedback is represented by the following example:
blood sugar increases → pancreas releases insulin → blood sugar decreases

negative

positive

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Maintaining body temperature is an example of a:

negative feedback loop

positive feedback loop

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Homeostasis

allows for a wildly fluctuating internal environment

is impossible in vertebrates

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What type of feedback loop is shown?

negative

neutral

positive

Tags

NGSS.HS-LS1-3

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Biology Regents Review: Structure & Function

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What are the levels of biological organization, starting from the smallest living unit?