Health, 25.03.2021 17:20 gungamer720
Which of the following is NOT true of mechanical digestion?
Muscular contraction in the stomach mix food
The teeth and tongue break food into smaller pieces
It starts in the mouth
Enzymes break down food
Answers: 1
Health, 22.06.2019 13:00
Which of the following is an argument against buying local fruits and vegetables?
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Health, 22.06.2019 14:30
1. alcohol first impairs your a. motor skills b. judgment c. color recognition
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Health, 23.06.2019 04:31
You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv
Answers: 2
Health, 23.06.2019 13:20
Which is not a physical sign of stress? a )pupils dilate b) breathing becomes faster and deeper c) kidneys and liver constrict d) spending money
Answers: 2
Which of the following is NOT true of mechanical digestion?
Muscular contraction in the stomach mix...
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