posted by Delilah
Which of the following form the main components of our body cells? (1 point)
carbohydrates and proteins
fat and phosphorous
proteins and iron
nucleic acids and calcium
Organic compounds always contain______. (1 point)
Which of these is a compound? (1 point)
Water is such a vital part of an organism’s existence because (1 point)
all the chemical reactions take place in water.
water is used to transport materials.
water acts as an insulator.
all of the above
_______ is an inorganic molecule found in bones. (1 point)
1.carbohydrates and proteins
4. all of the above