A dna molecule has a unique design that resembles a spiral staircase. scientists call this design a a. double helix. b. spiral structure. c. double nucleotide. d. spiral purine.

Which term best describes the water in a sugarwater solution?

The nervous system is the body's switchboard, sending signals between different parts of the body. The central hub of the nervous system is the brain. The brain is an example of which level of hieratical organization within the body?

Which describes a disruption in the water cycle that could affect photosynthesis? A. Heat causes an excess of transpiration. B. Heat causes an excess of evaporation. C. Heat causes an excess of condensation. D. Heat causes an excess of precipitation.

What weather would create the smallest waves?

Which of the following phrases best describes the function of meiosis? A. conserves chromosome number, produces genetically identical cells b. conserves chromosome number, produces haploid cells c.

Which term describes the class of molecules that includes starch and glycogen? A. Lipids B. Carbohydrates C. Nucleic Acids D. Proteins

A 60-year-old woman has just been diagnosed with heart failure and her primary care provider is describing the concept of adaptation. which compensatory mechanisms may have masked the client's heart failure? select all that apply.

What are two possible genotypes or the offspring?

A student notices that the saucer below a coffee cup becomes warmer after coffee is poured into the cup. Energy was transferred from - the cup to the saucer by conduction. the saucer to the cup by conduction. the cup to the saucer by convection.

The macromolecule that carries that code for building our body?