Bio 104 Exam 1

Which of the following is not a characteristic of living things?

• contains water
• grows/reproduces
• made of cells
• responds to environment

Tags

NGSS.HS-LS1-3

Your teacher wants to see if restricting access to Spotify will improve student focus. What is the independent variable in this study?

• Student focus
• the teacher
• Access to Spotify
• the length of the study

Who would be the best person to study the spread of a new disease? 

• chemist
• psychologist
• biologist
• epidemiologist

An element's atomic number can be defined by the number of ___________ in the nucleus of its atoms.

• protons
• neutrons
• electrons
• atoms

What is the atomic mass of an element with 8 protons and 8 neutrons?

• 4
• 16
• 24
• 8

If an atom with 9 protons has an atomic mass of 14, how many neutrons does the atom have

• 9
• 14
• 5
• 7

Tags

NGSS.MS-PS1-1

Water molecules are connected to other water molecules by bonds formed between hydrogen of one water molecule and oxygen of another water molecule.  What type of bond connects water molecules to one another?

• hydrogen
• ionic
• covalent
• peptide

Molecule S is formed by two atoms sharing a bond.  One atom of this molecule is much larger than the other and the electron spends more time on the shell of this larger atom than on the smaller atom.  What type of bond is this? 

• peptide
• polar
• non-polar
• hydrogen

An isotope has the same atomic mass but a different atomic number.

• True
• False

Amy eats a meal that is full of starch.  What must happen in order for Amy’s body to use this carbohydrate for energy? Think of the enzyme (spit) lab

• This must be turned into glucose
• This must be turned into a disaccharide
• This must be turned into a protein
• This must be turned into glucose

Tags

NGSS.HS-LS1-7