When analyzing tree rings, what do scientists assume a thin ring indicates?

Which forearm bone (s) contribute (s) most heavily to the elbow joint? the humerus the carpal bones the ulna the radius?

Which of the following are benefits of cardio exercise? A. Resting blood pressure decreases B. Energy levels increase C. The heart becomes more efficient D. All of the above

Kovu and Kiara are going to start a pride of lions all of their own. Kovu is heterozygous for brown fur. Kiara is homozygous recessive for tan fur. Brown fur is dominant over tan fur.

Are there two times as many hydrogens atoms as oxygen atoms in a molecule of glucose?

Two or more organs form together to make what

Homologous structures (Group of answer choices): A. are also called analogous structures. B. have identical functions. C. are shared by organisms of the same genus. D. have fully divergent functions. E.

Which of the following is true of an enzyme? (mark all that apply) a. it is a protein b. it is a catalyst c. it binds to many different substances d. it is small compered to its substrates

Which term would be applied to a regulatory condition that occurs when protein is associated with a particular section of DNA and greatly reduces transcription? A) induction B) negative control C) stimulation D) positive control E) activation

1. The reproductive parts of angiosperms are located within the called the and the female part is called the The male part is 2. In angiosperms, pollen produces cells. Pollen sticks to the female and travels down the style to the ovary.

Why would over-inflating the cuff of the sphygmomanometer be a problem for the patient?