A nugget of gold has a mass of 28 g (loz) and has a volume of 1.45 cm3. What is it's density? Show your work.

What element is found in both dna and protein

Dr. Josh is a scientist who studies the genetic traits of plants. He prefers growing plants though pollination, a form of sexual reproduction, rather than growing them from cuttings. Why does he prefer this method?

Name the blood vessel that is most commonly used for measuring blood pressure

When crossing an organism that is homozygous recessive for a single trait with a heterozygote, what is the chance of producing an offspring with the homozygous recessive phenotype? a. 50% b. 25% c. 0% d. 75% e. 100%?

If someone breaks their neck and has complete paralysis of their arms and legs, why can their heart muscle still continue to contract? Explain.

An allele that masks another allele is known as

Is there penicillin in acyclovir

Noah wants to show the largest source of carbon on Earth for his school project. According to his research, in which form is most of the carbon on Earth stored?

True or false: most drugs are eliminated by the kidneys in urine although some are excreted in saliva, sweat, or exhalation. a. True b. False

Do all adaptations result in a change in population? Explain