One of Chargaff's Rules Is _____.​

question 13

Multiple Choice

One of Chargaff's rules is _____.​

• A) ​different organisms have different proportions of adenine and guanine
• B) ​the DNA molecule is a double helix
• C) ​the two strands in a DNA molecule run in opposite directions
• D) ​the backbone of a DNA molecule is on the outside
• E) ​the backbone of the DNA is comprised of alternating sugars and phosphates

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Definitions:

Injecting Drugs

The act of administering drugs directly into the body's bloodstream through a needle and syringe.

Sharing Sex Toys

The act of using the same sexual aids with multiple partners, which may increase the risk of transmitting infections if not sanitized properly.

Unprotected Anal Sex

Sexual activity involving penetration of the anus without the use of a condom, increasing the risk of transmitting STIs and HIV.

Sweat

The fluid excreted by the sweat glands in the skin, aiding in cooling the body and eliminating wastes.