5 Biology questions guys help please!!?

J

jvm

New member
1)Carbon and oxygen atoms can be found in
a. Amino acids
b. All of these are correct
c. starch
d. glucose



Question 2
Which state of matter would blood be considered?
a. Gas
b. Solid
c. Energy
d. Liquid



Question 3
Which of these ions is important for acid-base balance?
a.H+
b. Na+
c.Cl-
d. K+



Question 4
Calcium has 20 protons, 20 neutrons and 20 electrons. How many subatomic particles are in its nucleus?
a. 40
b. 20
c. 60
d. 10



Question 5
Sodium chloride contains covalent bonds.
a. True
b. False


Thank you so much!!!
 
1. ik glucose is correct but i'm pretty sure it's B
2. D?
3....
4.A?
5. dude i studied this last year how am io supposed to remember?
 
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