At boxing practice, Nathan works with his coach to improve the strength of his punch. Nathan lost his balance when he hit the bag with a hard punch. He says that's because of the reaction force from his punch, which was large because the bag is heavy. Is he correct?

Answer Choices
A. Yes, he is correct
B. No, it is not the weight, it is the large mass of the bag that gives the large reaction force.
C. No, the reaction force depends on the force of Nathan's punch, not the mass of the bag.
D. No, the bag does not exert a reaction force, because it is flexible.

6. in domesticated cats, the following are independently assorting: normal ears (t) is dominant to tufted ears (t); curved whiskers (c) is dominant to straight whiskers (c); the presence of six toes (s) is dominant to five toes (s); gene for hair length is an x-linked codominant. the three phenotypes for hair length are long (xhxh), medium (xhxh), and short (xhxh); medium is the heterozygous condition. given two parents: ttccssxhxh x ttccssxhy how many different gametes could be formed in the female cat with respect to these four traits? how many phenotypes are possible in the offspring from this mating?

Which of the following is not a type of epithelial cell

Light sensitivity in euglena is provided by the