The probability that both of two tossed coins will come down heads

1/4

1/8

1/16

The apterous gene in Drosophila encodes a protein required for wing patterning and growth. It is also known to function in nerve development, fertility, and viability.

Plant and animal cells both have

What makes the trash in this landfill more of an environmental blight than the trash found in other trash dump areas? A) It is bigger. B) It is smellier. C) It won't disappear. D) It is harder to see.

Light travels from the sun to the earth, a distance of 144,000,000,000 meters, in 480 seconds. Calculate the approximate velocity of light in the direction it travels toward the earth.

In an experiment, a scientist studied the effect of increased levels of calcium had on a sugar levels in the blood. The scientists changed the calcium levels in people's blood and them measured their blood sugar levels.

What type of mountains form at convergent boundaries where two oceanic plates meet?

What are the end products of cellular respiration?

Oxidative phosphorylation generates atp producing adp which catalyzes the phosphorylation of

How is sexual reproduction different from asexual reproduction?

Changes in the DNA sequence that affect the expression of genetic information are called A) infiltrations B) mutations C) replications D) transformations