Two students were discussing inheritance in science class. Both students knew that genes and chromosomes had something to do with human inheritance. The students came up with four explanations of what genes do in the process of inheritance. Which is the best explanation of what genes do?

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

The smallest parts of these that retain their original properties are called