Which of the following you is a characteristic of all minerals

Epigenetics refers to a special kind of hereditary mechanism. Epigenetic changes do not change the DNA nucleotide sequence, yet their effect on gene expression can last for several generations.

Which statements about the modification of chromatin structure in eukaryotes are true?1. Acetylation of histone tails is a reversible process. 2. DNA is not transcribed when chromatin is packaged tightly in a condensed form. 3.

A plant is noticed to have curled leaves and stunted growth. Which nutrient is it most likely missing? a. Magnesium b. Potassium c. Calcium d. Phosphorous

What is the correct scientific term for the release of energy from food

None of these volunteers ever had chicken pox. after the injection, there would most likely be antibodies to chicken pox in the bloodstream of

Why are there fewer top carnivores than herbivores in most land ecosystems?

17. How do the cells in meiosis differ from the cells in mitosis? O A. Cells in meiosis have unique genetic information O B. Cells in mitosis divide into two new cells C ... Cells in meiosis go through one cycle of cell division D.

If you are growing a culture of bacteria (150ml) in the incubator, (a) what size flask should you use, and (b) should you cap the tube tightly or keep the cap loose? why?

Which is the most accurate statement? A.) Engineers create questions, and scientists try to answer them. B.) The scientific method and technology development follow different steps. C.) Science and technology rely on and influence each other. D.

In a food web a lot of energy is dispersed into the environment as