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Topics:

Discovery of DNA Food System & Nutrients Health & Wellness Vocabulary Nutrition in Animals Wellness & Influences Hospital Unit Anatomy & Physiology Glucose in the Body Mutations, Replication, and Cancer World Health Day Parts of Human Body Digestion and Microbes Nervous System/Endocrine System General Anatomy Microbiology

Other quiz:

Transport System › View

Which of the following is TRUE regarding the translocation that occurs at the source and the sieve tube element according to the Pressure Flow hypothesis.

I. Sucrose diffuses from mesophyll cells into the sieve tube element
II. High concentration of sucrose in sieve tube lowers the water potential
III. Water from neighbouring cells enters the sieve tube by osmosis
IV. High hydrostatic pressure is created in the sieve tube

A. I and III

B. III and IV       

C. I, II and III

D. II, III and IV

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Radiation and Health › View

How does radiation affect living cells?

A. Radiation can damage DNA inside living cells.

B. Radiation can strike the DNA molecule directly, ionizing and damaging it.

C. Radiation can ionize water molecules, producing free radicals that react with and damage DNA molecules.

D. All of the above

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