Biology Semester 1

What is biology?

• The study of your mom.

• The study of my mom.

• The study of life.

• The study of Brynne Dubois.

When a scientist was testing a cell, they found that what keeps to internal conditions stable?

• Homeostasis

• Heterostastis

• Proteins

• Enzymes

Tags

NGSS.HS-LS1-3

A scientist was doing an experiment. The group not receiving that receives no treatment is.....

• Independent

• Controlled

• Capsid

• Nucleus

The outer coat of a virus contains

• A. DNA

• B. RNA

• C. A and B

• D. Enzymes

You continually perform an experiment. This experiment has continuously supported your original hypothesis. What may this become?

• Capsid.

• Fatty Acid.

• A theory.

• A hypothesis.

Enzymes can speed up or slow down reactions.

• True

• False

• Both true and false

Answer explanation

Enzymes can only speed up reactions.

Tags

NGSS.HS-PS1-5

What is a restriction enzyme?

• An enzyme that looks for a specific sequence of bases and cuts the DNA into fragments.

• A protein that looks for a specific sequence of bases and cuts the DNA into fragments.

• An enzyme that looks for a different sequence of bases and cuts the DNA into fragments.

• An protein that looks for a different sequence of bases and cuts the DNA into fragments.

What are the steps in DNA replication?

• Unzip the DNA (helicase)

• Add an RNA primer (primase)

• Add new DNA nucleotides (DNA polymerase)

• Seal the gaps in the backbone (ligase)

• All of the above.

Where in the cell does transcription take place?

• Ribosomes

• Nucleus

• Mitochondria

• Golgi Apparatus

Describe the base pairing rule (Chargaff’s rule).

• Awesome-Tacos

• Good-Cookies

• Adenine-Thymine

• Guanine-Thymine