How are inducible and repressible operons similar

Gina planted mustard seeds in three cups. She placed the first one on her window sill, the second one under a shaded tree, and the third in her dark basement and measures and records the heights of the plants each week for five weeks.

Which organism has a backbone? fish jellyfish grasshopper octopus

Explain how heat can be a source of water pollution.

What is an example of qualitative data

Which of the following events occurred during the first trimester? A. Heart beat begins B. Lungs fully develop C. Bones become solid D. Fetus moves and kicks and swallows

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