Match the following

DNA form	Helix Direction	Number of bases per helix turn
1. B	a. Left Handed	i. 10
2.  A	b. Right Handed	ii. 12
3.  C	c. Left Handed	iii. 14
4. Z	d. Right Handed	iv. 9

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#Question id: 34346

#XL - S Microbiology

Which of the following statements are true regarding D-value (Decimal Reduction Time)?

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#Question id: 34347

#XL - S Microbiology

Which of the following are true about the Z-value?

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#Question id: 34348

#XL - S Microbiology

Which of the following correctly distinguish Thermal Death Point (TDP) and Thermal Death Time (TDT)?

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#Question id: 34349

#XL - S Microbiology

Which of the following plots can be used to determine TDT and Z-value?

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#Question id: 34350

#XL - S Microbiology

Which of the following conclusions can be drawn if TDT decreases as temperature increases?

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#Question id: 34351

#XL - S Microbiology

A microbial population is reduced from 1 × 10⁶ CFU/mL to 1 × 10³ CFU/mL after 9 minutes at 121°C. Assume first-order kinetics. What is the D-value (in minutes) at 121°C?