The solidifying agent commonly used in preparation of media is/are agar silica g

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Question
The solidifying agent commonly used in preparation of media is/are
Options
A. agar
B. silica gel
C. both (a) and (b)
D. none of these

Correct Answer

both (a) and (b)

Cell Cultures and Characteristics problems

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1. Cell size and cell number can be measured using
Options
A. hemocytometer
B. coulter counter
C. petroff-hausser counting chamber
D. none of these

Discuss

Correct Answer: coulter counter

2. When a substance is added to a solid medium which inhibits the growth of unwanted bacteria but permits the growth of wanted bacteria, it is known as
Options
A. differential medium
B. enriched medium
C. enrichment medium
D. selective medium

Discuss

Correct Answer: selective medium

3. Plate counts are often reported as
Options
A. cfu
B. cfu/ml
C. Both (a) and (b)
D. thousands/ml

Discuss

Correct Answer: cfu/ml

4. Which of the following methods is most likely to be quantitative?
Options
A. Dilution and plating
B. Gram staining
C. Wet mount
D. None of these

Discuss

Correct Answer: Dilution and plating

5. Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni?
Options
A. Vacomycin
B. Polymyxin
C. Trimethoprim
D. None of these

Discuss

Correct Answer: None of these

6. Protein portion of an enzyme when it is combined with organic molecule is termed as
Options
A. apoenzyme
B. co-enzyme
C. holoenzyme
D. co-factors

Discuss

Correct Answer: apoenzyme

7. Many enzymes consists of a protein combined with low molecular weight organic molecule called as
Options
A. apoenzyme
B. co-enzyme
C. holoenzyme
D. co-factors

Discuss

Correct Answer: co-enzyme

8. The inactive protein from of enzyme is
Options
A. apoenzyme
B. enzyme
C. haloenzyme
D. cofactor

Discuss

Correct Answer: apoenzyme

9. Who coined the word enzyme first?
Options
A. Kuhne
B. Pasteur
C. Liebig
D. Buchner

Discuss

Correct Answer: Kuhne

10. Isozymes or iso enzymes are those enzyme which
Options
A. have same structural forms
B. have different structural forms but identical catalytic properties
C. catalyses oxidation reactions
D. none of these

Discuss

Correct Answer: have different structural forms but identical catalytic properties

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The solidifying agent commonly used in preparation of media is/are

Cell Cultures and Characteristics problems

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