Introduction And Microscopy (Lecture 1)

Question 1

What is biology?

Answer 1

Biology is the study of life

Question 2

What are the characteristics of living beings? (8)

Answer 2

1. Exhibits growth and development
2. Made of 1 or more cells
3. Has DNA
4. Maintains homeostasis
5. Require energy
6. Reproduce on their own
7. Evolve/adapt
8. Die

Question 3

What is DNA?

Answer 3

Long term information storage and retrieval in earthlings

Question 4

What is all earth life based on?

Answer 4

DNA<RNA<Protein
Protein is the most important part

Question 5

Are viruses alive?

Answer 5

No, because they can’t reproduce

Question 6

What are the molecules of life?

Answer 6

Water and macromolecules

Question 7

What are the different macromolecules?

Answer 7

1. Carbohydrates
2. Lipids
3. Proteins
4. Nucleic acids

Question 8

What is polymerization?

Answer 8

When monomers becomes a polymer

Question 9

What is depolymerization?

Answer 9

When polymers become monomers

Question 10

What is dehydration synthesis?

Answer 10

Monomers string into polymer

Question 11

What is hydrolysis?

Answer 11

When polymers are broken down

Question 12

What are Emergent Properties?

Answer 12

Emergent properties are those that arise through interactions among smaller parts that alone do not exhibit such properties

Examples: atoms<molecules<cells<tissues<organs<organisms

Life makes itself

Question 13

What is water?

Answer 13

Solvent of life
Polar with opposite charges
Dissolves into everything at every state

Question 14

Which one of the macromolecules is not a polymer?

Answer 14

Lipids