4. Which two of the following are made up of nucleotides? A steroid hormone
B polysaccharide
C triglyceride
D DNA
E RNA
F polypeptide​

the correct answer is c   with the systems

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.