the tree in the illustration casts a shadow c equal 12 ft long while a person a equals 6 ft tall casts a shadow b equals 3 feet long find the height of the tree

Which of the following organelles is found within a cell that is both eukaryotic and autotrophic

If nondisjunction occurs in meiosis ii during gametogenesis, what will be the result at the completion of meiosis?

Biology Question: When the concentration of molecules on both sides of a membrane is the SAME, the solution moves from an area of higher concentration to an area of lower concentration. True or False?

What molecule is represented by the molecular model shown below The molecule is made up of adenine, a five-carbon sugar called ribose, and a chain of three phosphate groups.

In order to build the dipeptide, water was removed and smaller molecules were joined o make a larger molecule. What is the name of this chemical process?

Assuming that there are only two alleles at a given locus, if the frequency of one allele is 0.6, what is the frequency of the other allele? A. - 0.6. B. 0 C. 0.4 D. 0.6 E. 1

How do cells acquire positional information about their location in a developing embryo?

Which kind of solution is the concentration of solutes the same inside and outside if the cell

Identify the two primary fluids found within the eye. which one of these fluids provides nutrients to the rest of the eye

How are microscopes advantageous to scientist? name two examples when a biologist (or other scientist) may use a microscope?