Biology - Study Mode

[#261] One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
Correct Answer

(D) You are infected by a virus

Explanation

Solution: The most likely reason for the doctor's statement is that the person is infected by a virus.

[#262] Plants that grow under average temperature and moisture are called:
Correct Answer

(C) mesophytes

Explanation

Solution: Plants that grow under average temperature and moisture are called mesophytes.

[#263] Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of
Correct Answer

(B) enzymes

Explanation

Solution: Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of enzymes.

[#264] Mutation is
Correct Answer

(C) a change that is inherited

Explanation

Solution: A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.

[#265] Pollination by wind is called
Correct Answer

(A) anemophily

Explanation

Solution: Anemophily is the process when pollen is transported by air currents from one individual plant to another. About 12% of the world's flowering plants are wind-pollinated, including grasses and cereal crops, many trees, and the infamous allergenic ragweeds.