What is a producer and a chemical reaction

Which of the following is true of sound waves? A. Sound waves are transverse waves. B. Sound waves can only travel through fluids. C. Sound waves are electromagnetic waves. D. Sound waves require a medium in which to travel.

Can all molecules diffuse through all cell membranes explain

Cells within an organism can be very different from one another. for example, human red blood cells are filled with hemoglobin, are shaped like biconcave discs, lack a cell nucleus, and cannot synthesize proteins.

What does it mean if something has a visible nuclei

How closely is your genome related to other humans?

In which body or cell area are most genes in humans located?

Where are the sensory receptors for sound? the tongue the nose the ears the eyes

Which is a characteristic of the littoral zone of lake erie?

In a small, isolated population of piranhas, one individual is born with a synonymous mutation in a gene that codes for the beta-globin protein found in hemoglobin. After five generations, 5% of the piranhas carry this mutation.

What is dna in biology