Introduction to disease

Question 1

Animal cell vs plant cell

Answer 1

Animal: cytoskeleton, nuclear membrane, one endoplasmic reticulum.
Plant: nuclear envelope, vacuole, lysosome, cytoplasm, vesicle, chloroplast, ribosomes, rough and smooth endoplasmic reticulum, cell wall.
Both: cell membrane, nucleus, mitochondria, golgi apparatus.

Question 2

Gram positive bacteria

Answer 2

Take up crystal violet stain used in gram stain test.

- Contain a thick peptidoglycan layer that retains the stain.

Question 3

Microtubules and microfilaments

Answer 3

Provides shape, support, and stability to cells.

Question 4

Red blood cells

Answer 4

Transport oxygen to your body’s organs and tissues.

• Don’t have DNA.
• Make up 99% of the blood.

Question 5

White blood cells

Answer 5

Help your body fight infections.

- Make up 1% of the blood.

Question 6

Top viral diseases

Answer 6

Ebola, rabies, smallpox, HIV, influenza.

Other: Marburg, hantavirus, dengue.

Question 7

Top bacterial infections

Answer 7

E Coli, salmonella, typhoid fever, cholera, strep, whooping cough (pertussis), tuberculosis, diphtheria, tetanus (lockjaw), clostridium botulinum (botox), syphilis, chlamydia.

Question 8

Viruses

Answer 8

Infectious agents that multiply within living cells.

• Non-living.
• Can have DNA or RNA.

Question 9

Extracellular matrix

Answer 9

Where cells in the connective tissue of animals reside.

- The ability of cells to adhere to the meshwork is important to ensure a strong, properly shaped tissue or organ.