Answers: 1
Biology, 21.06.2019 16:00, kathyc53
Every compound can be represented by a chemical formula. a chemical formula is the set of symbols showing the elements that make up a compound and their proportions. water’s chemical formula is h 2 2 o. that means a molecule of water contains two atoms of hydrogen and one atom of oxygen chemically bonded. a molecule is a group of two or more atoms bonded together. molecules can range in size from two to thousands of atoms. a molecule of a compound is the smallest unit of that compound. every molecule of water has all the physical and chemical properties of water. that’s because every molecule of water is made of the same elements in the same proportions: two hydrogen atoms and one oxygen! which of the following is a true statement? a every molecule of the same compound will have different properties. b every molecule of a compound has the same proportion of elements. c molecules can be physically separated into smaller units of a compound. d molecules cannot be represented by chemical formulae.
Answers: 1
Biology, 22.06.2019 04:10, zairaefh3200
Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d
Answers: 3
Biology, 22.06.2019 10:00, TheOneandOnly003
If an organ has six haploid chromosomes, how many chromosomes are present. 6 12
Answers: 1
Charles darwin proposed that evolution by natural selection was the basis for the differences that h...
Computers and Technology, 04.07.2020 14:01
Health, 04.07.2020 14:01
Mathematics, 04.07.2020 14:01
Mathematics, 04.07.2020 14:01