Biology Answers

Why is it necessary to use an antibiotic susceptibility chart (rather than simply the size of the zone of inhibition) to determine whether a bacterial isolate is sensitive, intermediate, or resistant to a particular antibiotic?

how many cells are in the body

What is the main purpose of all types of reproduction? *

Does phagotrophy ever occur in Diatoms? More specifically: I want to know if there are mixotrophic diatoms

What is fertilization

1.    What are potential labs, exams, and/or procedures done for women who experience the following (Refer to Dr. Lyons Lectures for Assistance):

a.    Unknown pregnancy status

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b.    Vaginal Itching & Burning

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c.    Postmenopausal bleeding

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d.    Suspected Diabetes or Uncontrolled

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e.    Urinary Tract Infection

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f.     Unknown STI status

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Oxidative phosphorylation

 A. converts NADH to NAD⁺. 

B. converts FAD to FADH₂.

 C. converts ATP to ADP. 

D. is increased in hypoxia.

 E. is decreased in anaemia.

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The following data were obtained from a female patient.

Anthropometric measurements Patient Normal values

Body mass (kg) 95

Height (cm) 165

Waist circumference (cm) 110 Females <89

Hip circumference (cm) 90

Waist-to-hip ratio (cm) Females 0.8

The patient has

 A. a body mass index (BMI) greater than 30 kg/m².

 B. under-nutrition.

 C. a normal waist-to-hip ratio. 

D. increased abdominal fat accumulation.

 E. an increased risk of developing cardiovascular disease.

Which property of water allows it to dissolve substances like sodium chloride and glucose but prevents it from dissolving lipids?

Why is it important for NADH and FADH2 to donate their high energy electrons to NADH-Q reductase and Quinone, respectively?  Would it not be easier to donate the electrons directly to oxygen since that’s where they are going to end up anyway?