Gcu Bio-215 Exam 1 Updated Questions And Correct Answers

GCU BIO-215 EXAM 1 UPDATED QUESTIONS AND
CORRECT ANSWERS
Question:
1. Gram Positive
Answer:
Has a thick peptidoglycan cell wall.

Question:
2. Gram Negative
Answer:
Has a thin peptidoglycan layer with an LPS outer membrane.

Question:
3. Peptidoglycan
Answer:
A polymer layer that creates a cell wall.

Question:
4. LPS (Lipopolysaccha-ride)
Answer:
A toxin found in gram negative bacteria which makes its outer mem-brane.

Question:
5. Endotoxins
Answer:
LPS's found in the cell wall of gram negative bacteria.

Question:
6. Capsules
Answer:
The outer large structure to bacteria.

Question:
7. Cytoplasm
Answer:
The jelly liquid that is inside of the cell.

Question:
8. Movement of Bacteria
Answer:
Bacterial motility which is Flagella.

Question:
9. Extrachromosomal DNA

, Answer:
Any DNA found off the chromosome either inside or outside the nu-cleus of the cell.

Question:
10. Endospores
Answer:
Spores that are formed within the cells.

Question:
11. Internal Organelles
Answer:
Cellular envelope, flagella and pili, and ribosomes.

Question:
12. External Organelles
Answer:
Capsule and cell wall.

Question:
13. Phagocytosis
Answer:
Certain living cells ingest or destroy other cells or particles. (ingest or destroy)

Question:
14. Endocytosis
Answer:
A cellular process in which substances are brought into the cell. (bring into cell)

Question:
15. Exocytosis
Answer:
Moving large particles out of the cell. ( move out cell)

Question:
16. What is seen in bacterial cell wall?
Answer:
Diaminpimelic Acid

Question:
17. Ribsomes of bacteria
Answer:
70s

Question:
18. Is Teichonic present in Gram bacteria?
Answer:
No