What three crops make up over half of the worlds food consumption?

Which cell organelle is where proteins are made? A. vacuole B. nucleus C. ribosomes D. mitochondrion

An apple is cut into slices. Half of the slices are sprayed with lemon juice. All slices are stored in a sealed plastic bag. After 4 days, they are observed to see how brown they turned. What's the independent and dependent variable?

How are cells affected by the movement of water

What are the frogs in the conservation center fed?

How do wind and water change rocks over time? A) They add minerals to the rocks. B) They change the shape of the rocks. C) They increase the mass of the rocks. D) They build up the rocks with small sand particles.

Cell differentiation refers to: a) cell organelles with different structure b) all the functions inside a cell c) the difference between plant cells and animal cells d) different functions inside an organism

Identification and location of genes on chromosomes that might affect cholesterol metabolism has been difficult because many of the genes that affect this trait interact, a phenomenon that is called epistasis. T or F?

What is the role of CdKs?

How many chromosomes in a human

Which term refers to a species creating more offspring than can possibly survive?