Bio-Chemistry test

Question 1

_________ is a very important compound for all living things.

Answer 1

Water

Question 2

The properties include __________ which allows water molecules to stick to each other.

Answer 2

Cohesion

Question 3

The type of bond that allows this property to occur is a ______ bond

Answer 3

Hydrogen

Question 4

This bond always forms between the ______of one water molecule and the _____oxygen of the other water molecule

Answer 4

Hydrogen, Oxygen

Question 5

Another property of water is ______ this means that water is able to stick to other surfaces like a table top or the xylem of a plant.

Answer 5

Adhesion

Question 6

One of the most important properties of water is its ________.

Answer 6

polarity

Question 7

This means that a water molecule has an ______ pattern of ________.

Answer 7

uneven, charges

Question 8

The chemical formula of water is……

Answer 8

h2o

Question 9

A _______________ is make up of a sugar, a nitrogen base, and a phosphate group

Answer 9

nucleotide

Question 10

Which of the nitrogen base is found in DNA but not RNA

Answer 10

Thymine

Question 11

Lipids are different from other macromolecules because they……

Answer 11

are hydrophobic and don’t dissolve in water

Question 12

Glycogen, cellulose, and starch are all

Answer 12

polysaccharides

Question 13

Which 2 kinds of molecules combine to form cell membranes

Answer 13

phospholipids and proteins

Question 14

Adenine, thymine, guanine, cytosine, and uracil are all…..

Answer 14

nitrogen bases used to make nucleotides

Question 15

Which part of a phospholipid molecule is NON-POLAR &HYDROPHOBIC

Answer 15

the lipid (tail)

Question 16

True or False: The 20 different polysaccharides used to make proteins differ in what is attached in their R group position.

Answer 16

False amino acids

Question 17

True of False: Cellulose is a structural polysaccharide that makes plants sturdy.

Answer 17

True

Question 18

One function of proteins is to provide insulation.

Answer 18

False lipids

Question 19

People with diabetes cant make hemoglobin to control their blood sugar.

Answer 19

False insulation

Question 20

______ made by joining amino acid subunits in long chains which provide a wide variety of functions in cells

Answer 20

Proteins

Question 21

_____made rom carbon, hydrogen, and oxygen atoms in a 1:2:1 ratio

Answer 21

carbohydrates

Question 22

________ made from nucleotide subunits which store and carry information

Answer 22

nucleic acids

Question 23

_____ Hydrophobic fats, oils, waxes, and steroids made mainly from carbon and hydrogen atoms in long chains or multiple rings

Answer 23

lipids

Question 24

Sucrose

Answer 24

Glucose + Fructose

Question 25

Maltose

Answer 25

Glucose + Glucose

Question 26

Galactose

Answer 26

Lactose + Glucose

Question 27

Monosaccharides

Answer 27

Contains 1 sugar | glucose, fructose, galactose

Question 28

Plysaccharides

Answer 28

3 or more sugars | glycogen starch cellulose

Question 29

Carbohydrates

Answer 29

short term energy use | cellulose-provides structure for cell

Question 30

Nucleic Acids

Answer 30

Store genetic information | transmits genetic information

Question 31

Lipids

Answer 31

long term energy storage provide a membrane layer (structural) insulation

Question 32

Proteins

Answer 32

``` Structural support enzymes speed up chemical reactions hemoglobin regulate ```

Question 33

Single stranded

Answer 33

RNA

Question 34

Double Stranded

Answer 34

DNA

Question 35

Contains thymine in nitrogen base

Answer 35

DNA

Question 36

Contains uracil in nitrogen base

Answer 36

RNA

Question 37

Which Sugar does DNA contain

Answer 37

deoxyribose

Question 38

Which sugar does RNA contain

Answer 38

ribose

Question 39

Function of DNA

Answer 39

store genetic information

Question 40

Function of RNA

Answer 40

transmit genetic information

Question 41

Double stranded nucleic acid made from nucleotides subunits containing A, T, G, AND C that stores genetic info in cells

Answer 41

DNA

Question 42

Protein found in red blood cells that carries oxygen to the body

Answer 42

hemoglobin

Question 43

macromolecule with a polar glycerol/phosphate "head" and 2 non-polar hydrophobic "tails" used to make cell membranes

Answer 43

phospholipids

Question 44

Singe stranded nucleic acid made from nucleotide subunits containing A, U, C, AND G which carries information from the DNA to the cell for protein synthesis

Answer 44

RNA

Question 45

storage form of glucose used by plant cells

Answer 45

starch

Question 46

storage form of glucose used by animal cells

Answer 46

glycogen

Question 47

structural polysaccharide made from glucose subunits that makes plants sturdy

Answer 47

cellulose

Question 48

Nucleotide subunit made from ribose sugar, adenine, and 3 phosphates which stores and transports energy in cells

Answer 48

ATP

Question 49

Polar molecule made from 1 oxygen and 2 hydrogen atoms that is required by all living things

Answer 49

water