Which cells in the leaf are green?

A. phloem cells

B. mesophyll cells

C. lower epidermis cells

D. upper epidermis cells

Darwin saw that in order for natural selection to occur you ultimately need some limiting factor that will cause death of the less fit individuals before they reproduce. An example of a these things that cause death could be ...

What was the size of the Krakatau explosion probably the result of?

3. Which of the following is not a legume? O A) lettuce B) peas C) clover O D) beans

A state of elevated pressure within the eye that occurs when the scleral venous sinus is obstructed and aqueous humor is not reabsorbed as fast as it is secreted is called ___.

In the alien species, weebles, 2 heads (H), is dominant over 3 heads (h). If you cross a heterozygous weeble with a homozygous recessive weeble

1. what kind of cells have 46 chromosomes (23 pairs) ? 2. what types of cells are sex cells? 3. what is happening to the chromosome during inversion, duplication and deletion?

which structure is found in the cytoplasm of a prokaryotic cell but is not found in the cytoplasm of a eukaryotic cell

Nerve growth factor (nGF) is a water-soluble signaling molecule. Would you expect the receptor for nGF to be intracellular or in the plasma membrane? Why?

How does sand-sized particles of sediment moves in a river

Distinga ganga de minerio