What is the main role of red blood cells?

A) Carry sugars
B) Carry oxygen
C) Fight off infections
D) Aid blood in clotting


B

Biology & Microbiology

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How many replication forks are there at a replication origin?

A. 1 B. 2 C. 3 D. 4 E. 5

Biology & Microbiology

Which of the following is a way that sulfur dioxide can enter the atmosphere?

a. Natural surface run-off b. Commercial livestock farming c. Use of artificial fertilizer d. Burning of fossil fuels

Biology & Microbiology

Which of the following is likely to have the highest biomass in an ecosystem? 

A. grasshopper B. frog C. cow D. grass

Biology & Microbiology

In the P-M system of hybrid dysgenesis in Drosophila, what is responsible for the infertility of offspring of the P male × M female cross?

What will be an ideal response?

Biology & Microbiology