What animal lacks a notochord in both its embryonic and adult stages

Which term best describes a protein that speeds up chemical reactions in living things

What type of mutation is represented below: Original strand: A C G G T G T C C A A A T New strand: A C G T G T C C A A A T Question 3 options: Deletion Substitution Insertion Replacement

Is it true that mitosis is how you reproduce asexually while meiosis is how you produce sexually?

The number of hydrogen atoms in 6NH³ is?

Which is a component of all innate behaviors? the environment learning genetics seasons

The DNA in a cell's nucleus encodes proteins that are eventually targeted to every membrane and compartment in the cell, as well as proteins that are targeted for secretion from the cell.

What similarity do animals and plants share?

This is a model of a bacterial cell. What statement about the structure and function of bacterial cell parts is correct? A) DNA is contained in a primitive nucleus. B) Energy for movement is generated in the pilli.

How can the locations where ancient fossils are found be used as evidence for continental drift

Many songbirds breed in North America in the spring and summer and then migrate to Central and South America in the fall.