Which conception control method is most effective?

A) diaphragm
B) condom
C) minipill
D) vaginal ring


D

Biology & Microbiology

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The nucleotide sequences on DNA that actually have information encoding a sequence of amino acids are

A. exons. B. introns. C. enhancers. D. proteins.

Biology & Microbiology

A Type III functional response is the most commonly reported for predators

Indicate whether the statement is true or false

Biology & Microbiology

As you and a friend are entering a chemistry laboratory at your university, you see a sign that states: DANGER-RADIOACTIVE ISOTOPES IN USE. Your friend is an accounting major and has not had any science courses yet. She asks you what a radioactive isotope is and you respond correctly with:

A. Radioactive isotopes are atoms that are unstable and as a result emit energy in a process called radioactive decay. B. Radioactive isotopes are atoms that are stable and as a result only emit energy if they are exposed to higher temperatures. C. Radioactive isotopes are atoms that are stable and as a result emit energy in a process called radioactive decay. D. Radioactive isotopes are atoms that are unstable but unless actively disturbed by some chemical process will remain intact and pose no problems.

Biology & Microbiology

Two aqueous solutions are separated by a selectively permeable membrane that allows water to pass through but does not allow starch to pass through. Solution A is 10% starch and solution B is 5% starch. What will occur?

A) Water will diffuse from solution A to solution B. B) Both water and starch will diffuse from solution B to solution A. C) Starch will diffuse from solution A to solution B. D) Water will diffuse from solution B to solution A. E) Starch will diffuse from solution B to solution A.

Biology & Microbiology