Why do scientists conduct experiments?

A. To test their results.

B. To explain an observation.

C. To test a hypothesis.

D. To test a conclusion.

What do lipids not do

A parent that is heterozygous for both traits (AaBb) can create how many different allele possibilities.

Which type of mammal is more likely to survive in a sub-zero climate? a small mammal with a relatively larger body surface area a mammal with a size that's proportionate to its body surface area a large mammal with a relatively smaller body surface

Explain why the chromosomes in the haploid cells that are produced by meiosis I look different than those produced by meiosis II.

Dna is a self-replicating molecule. what accounts for this important property of dna?

True or false? The more similar two organisms are, the more distant their common ancestor is.

The blood-brain barrier a. is fully developed in humans when they are born. b. prevents many drugs from entering the brain. c. is designed to allow all drug compounds into the brain. d. cannot be penetrated, even with trauma to the brain.

Which is another name for observations? Models Predictions Data Inferences

A father has the genotype dd and a mother has the genotype dd fill in the punnett square below to show their possible offspring?

Which mineral is important for carrying o2 in the blood?