Use the following picture of water molecules to answer questions 22 and 23. Which arrow points to a hydrogen bond?

Use the following picture of water molecules to answer questions 22 and 23. Which arrow points to a hydrogen bond?

The figure shows:

Reproduction is NOT essential for the survival of an ______________ but is essential for the survival of the _____________.

Reproduction is NOT essential for the survival of an ______________ but is essential for the survival of the _____________.

Amino acids are bonded together by  ________.

Which subatomic particles are directly involved in chemical reactions?

How many neutrons are in an atom with the mass number of 35 and an atomic number of 17?

The following questions (41-44) refer to the drawings below: Which of the drawings is of an atom with the atomic number of eight?

In carbohydrates, monosaccharides units are linked together to make disaccharides and polysaccharides by what type of bond?