Scientists hypothesize that the sun formed when

A key component in the formation of organic compounds, such as nucleic acids and ATP A) carbon B) Nitrogen C) Phosphorus

A pair of non-radioactive, homologous chromosomes replicates once in the presence of radioactive DNA precursors. Assuming that new DNA will incorporate these precursors, which parts of the chromosomes will now contain radioactive atoms?

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

The structure that grows on the wall of the uterus during pregnancy and allows for nourishment for the unborn child is the?

If volcanic dust and ash remain in the atmosphere for months or years, what do u predict will happen

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others.

How is the role of the nucleus in a cell similar to the role of a captain on a sports team

In a two planet system, does an increase in planet velocity result in a decreased period?

Is a banana a berry? Is a tomato a fruit?

How does cardiac muscle resemble skeletal muscle?