What is found in all adult echinoderms?

an inability to move

bilateral symmetry

an ability to swim

radial symmetry

Which identifies the relationship between photosynthesis and cellular respiration

What components do you need to perform PCR?

Why are fences put along some beaches? A = to increase water erosion B = to prevent wind erosion C = to increase weathering D = to prevent deposition

Name at least 5 different fish that live in the ocean. It's simple!

Which of the following is a chemical change? a. silver tarnishing as the silver metal reacts with sulfur b. soil drying as water evaporates c. a solution of salt water being diluted as water is added to it d.

Explain how it would be possible to have a change in a single base of DNA, but have the protein NOT change and be functional.

During DNA replication, what is the first process to occur? a:zipping up of the DNA strand for copying b:synthesis of the leading strand c:synthesis of the lagging strand d:unwinding of the parental DNA by helicase enzyme

When a person is frightened what system is most activated sympathetic or parasympathetic nervous system?

What is found in all adult echinoderms? an inability to move bilateral symmetry an ability to swim radial symmetry

Which molecule is a reactant in the first step and a final product in the fourth step of the Calvin-Benson cycle? A) RuBP B) ATP C) PGA D) CO2