Homework #5: Evolution of Sick Humans Day 17-20

What does the term **inhibit** mean in a biological context?

• To speed up a process

• To slow down or stop a process

• To create new proteins

• To break down molecules

Which of the following is primarily composed of **amino acids**?

• DNA

• Carbohydrates

• Proteins

• Lipids

Tags

NGSS.HS-LS1-1

**Biochemical evidence** is used to show how species are related by comparing:

• The shape of their bones

• Their environment

• Their DNA or proteins

• Their diet

**DNA** is crucial for cells because it carries:

• Energy for the cell

• Genetic information

• Oxygen through the blood

• Proteins

Tags

NGSS.HS-LS1-1

The shape of a **DNA molecule** is best described as:

• A straight line

• A twisted ladder (double helix)

• A circular chain

• A branching structure

**Evolution** is best defined as:

• The process of creating new species instantly

• The change in species over time

• The breakdown of molecules in cells

• The transport of oxygen in blood

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

According to Darwin’s theory, **natural selection** explains:

• How species stay the same

• How species evolve over time

• How proteins are made in the body

• How DNA replicates

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

**Proteins** are large molecules that:

• Carry oxygen in red blood cells

• Provide energy for cells

• Do work in cells, like making enzymes and muscles

• Store genetic information

What is the role of **hemoglobin** in the body?

• It carries genetic information

• It carries oxygen in red blood cells

• It helps digest food

• It stores energy in the body

Tags

NGSS.HS-LS1-7

**Sickle cell anemia** is caused by a mutation in which protein?

• DNA polymerase

• Hemoglobin

• Keratin

• Insulin

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2