E1

Question 1

What are the eight specialized functions of a cell and what do they mean?

Answer 1

1. Movement
2. Conductivity
3. Metabolic absorption
4. Secretion
5. Excretion
6. Respiration
7. Reproduction
8. Communication

Question 2

Name the four basic tissue types:

Answer 2

1. Nerve
2. Epithelial
3. Connective
4. Muscle

Question 3

Define genetics, chromatin, chromosomes, and genes:

Answer 3

Genetics – study of biological inheritance
Chromatin – substance containing DNA
Chromosomes – condensed chromatin; contains genes
Genes - basic unit of inheritance

Question 4

What are the main differences between RNA and DNA?

Answer 4

DNA is a double helix, RNA is a single strand and has uracil instead of thymine, RNA ribose has OH in different positions