A chemical reaction in wich oxygen is combined with another substance

Is crossing over a form of genetic mutation? Why or why not?

Does the baby move during gestation (pregnancy) ?

What system coordinates the bodys responses to stimuli ans sends messages to the rest of the body

The nurse is conducting a routine risk assessment at a prenatal visit. which question would be the best to screen for intimate partner violence?

Which of the following molecules does not carry energy?

Although protein was part of the composition of the foods in this experiment, it was not the main macromolecule component of any of the foods.

Which of the following statements is true about protein synthesis in prokaryotes? A) Extensive RNA processing is required before prokaryotic transcripts can be translated. B) Translation can begin while transcription is still in progress.

In a plant cell, what organelles play a role in structure for the whole plant?

How is DNA used as evidence for evolution? A. All species have the same genes. B. All species have the same amount of DNA. C. All species have the same genetic code. D. All species have the same number of genes.

How does the loss of bicarbonate due to diarrhea increase the protons in the blood?