Recall Characteristics of Cells WARM-UP Choose the statements below that are true. Cells are the smallest unit of life. Cells are important to the structure and function of living things. All organisms are made of multiple cells. Cells come in different shapes and sizes. RETRY​

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.