DNA Replication

Presentation

•

Biology

•

9th - 10th Grade

•

Practice Problem

•

Easy

Joanna Giddings

Used 536+ times

FREE Resource

9 Slides • 10 Questions

DNA Replication

Replication is the process DNA uses for making a copy of itself.

The reason DNA must be copied is to make new cells for

Growth
Cell repair
Reproduction

Trillions of new cells are needed for a human to grow to adulthood.

Each new cell requires new DNA.

Video Segments

There are three video segments. To play each one, click on the video to start.

Replication happens in interphase.

Cells spend the majority of their time in interphase.

Interphase

Multiple Choice

The purpose of replication is to

eliminate DNA

make more DNA

change the DNA

Multiple Choice

Where does replication happen in human cells?

the cell membrane

the ribosome

the nucleus

Multiple Choice

When does replication happen?

mitosis

cell division

interphase

Multiple Choice

The purpose of enzymes is to

slow down reactions

speed up reactions

Multiple Choice

The enzyme that unzips DNA by breaking hydrogen bonds is

ligase

helicase

DNA polymerase

primase

Multiple Choice

DNA polymerase is called "the builder" because it

digs a foundation

makes new strands of DNA

breaks hydrogen bonds

Multiple Select

Which of the following are the correct pairings of DNA nucleotides?

A-T

A-C

C-T

C-G

Multiple Choice

The bonds that join the DNA nucleotides and that can easily be broken for replication are

nitrogen bonds

hydrogen bonds

oxygen bonds

Multiple Choice

Replication is called semi-conservative because

Each new molecule contains part of the original DNA

sometimes it conserves fuel

DNA conserves ecosystems

Multiple Choice

The result of replication is two DNA molecules

True

False

DNA Replication

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