PP - Ch. 1

Question 0

What does DNA tell organisms to do?

Answer 0

To grow, develop and reproduce using information in their DNA

Question 1

What is ATP?

Answer 1

The energy currency of the cell

Question 2

What molecules are cells composed of?

Answer 2

Carbohydrates - sugars
Lipids - fats
Proteins
Nucleic acids - DNA and RNA

Question 3

Compare life’s three domains

Answer 3

1. Bacteria - single celled , prokaryotic
2. Archaea - single celled, prokaryotic. Evolutionarily closer to eukaryotes
3. Eukarya - eukaryotic cell. Both single celled and multicelled

Question 4

Name the six kingdoms

Answer 4

1. Bacteria
2. Archaea
3. Protists
4. Plants
5. Fungi
6. Animals

Question 5

What happens to adaptive traits over generations?

Answer 5

They tend to become more common in a population and less adaptive forms of traits become less common

Question 6

Give an example of artificial selection?

Answer 6

Dog breeds

Question 7

What is a vestigial structures and what is it an example of?

Answer 7

It is a structure that loses it’s original function and becomes something else. Ie hair of a chimp standing up to show fear ➡️ goosebumps on a human

Question 8

What is science limited to?

Answer 8

Science is limited to that which is observed

Question 9

Give an example of an observation

Answer 9

People get cancer

Question 10

Give an example of a hypothesis

Answer 10

Smoking cigarettes may cause cancer

Question 11

What is probability?

Answer 11

The measure expressed as a percentage of the chance that a particular outcome will occur

Question 12

What does statistically significant mean?

Answer 12

It refers to a result that is statistically unlikely to have courses by chance