A man affected by a recessive trait on the x chromosome marries a woman who neither shows the trait nor is a carrier. Which outcome is possible if they have two children-a son and a daughter?

Problem-solving exercise: is hybridization promoting insecticide resistance in mosquitoes that transmit malaria?

A biologist has just discovered a new life form. The newly described organism is multicellular, does not carry on photosynthesis, and absorbs nutrients from the environment. It is composed of eukaryotic cells with cell walls.

How is nitrogen similar to the carbon and phosphorus cycle

Which items make up the largest percentage of waste produced by households and businesses? a. aluminum cans b. paper products c. plastic bottles and packaging d. yard waste, such as grass clippings and tree limbs

What is the role of xylem in a vascular plant

Drinking alcoholic beverages causes an increase in urine output. This most likely occurs because alcohol: inhibits ADH release stimulates ADH release inhibits TSH release stimulates TSH release

At what temperature does this enzyme works best

A solar flare is observed on Earth A) immediately. B) approximately eight years after it happens on the Sun. C) approximately eight hours after it happens on the Sun. D) approximately eight minutes after it happens on the Sun.

The enzyme amylase in human saliva breaks down starch polymers into smaller sugar units. however, it cannot break down cellulose polymers.

Choose one property of water that makes it unique. Describe the property and explain the chemical or physical reason that causes water to have that property.