If each normal body cell of a human contains forty-six chromosomes, then the number of chromosomes in a human egg will be A) 23 B) 24 C) 36 D) 46

A broth containing 1 million bacterial cells is treated with an antimicrobial agent that kills 90% of the cells in 1 minute. what is the minimum amount of time it will take before all the cells in the broth are dead?

What scale is used to measure the intensity of an earthquake? A) pH scale B) Moh's scale C) Kelvin scale D) Richter scale

Why is it so hard to hit a fly

Is scorpion a reptile or insect?

The reason why haplotype blocks are still useful on current populations is because A) some of our human ancestors interbred with Neanderthals. B) new mutations cannot be introduced into existing haplotype blocks.

Using directional references for a person in anatomical position, how would you describe the relationship of the hand compared to the elbow? To the groin

In an appropriately designed experiment, a scientist is able to test the effect of: A) a single variable B) multiple variables C) the hypothesis D) scientific observations

Which answer is not a mechanism for evolution1. Mutations 2. Natural Selections3. Genetic Drift 4. Gene Pool?

In addition to fossil evidence for evolution, other lines of evidence can include:

Why do arteries have more muscle and elastic tissue than veins?