How long can an average human hold their breath under water?

Why do cells hold chromosomes?

Food making organelle never found in fungi

Why do we say that "an enzyme is reusable"? A) The enzyme does not actively take part in the reaction. It just indicates that the reaction is complete.

Why does it make sense that codons consist of exactly three bases, and not one, two, or four?

If two heterozygous individuals are crossed what percent of their offspring are also expected to be heterozygous

You are called to a private residence to care for a pregnant female that is bleeding vaginally. you estimate that she has lost about 750ml of blood from what you see at the scene. she claims she has no pain.

What observation provides evidence that a cell is most likely a eukaryote

The DNA content of a diploid cell in the G1 phase of the cell cycle is measured. If the DNA content is x, then the DNA content at metaphase of meiosis II would be:

When fish are under water are they dry or they wet.

The minerals in an ingeous rock come from the