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Bio lecture 5 proteins and lipids

Total questions: 50

Worksheet time: 51mins

Name
Class
Date
1.

uses computer software and other tools
to analyze the data

(a)  

2.

analyzes large sets of genes

(a)  

3.

Similar analysis of proteins is called

(a)  

4.

Match the following

a)

enzymatic protein

1.

selective acceleration of chem reactions

b)

defensive proteins

2.

protection against disease

c)

storage proteins

3.

storage of amino acids

d)

transport proteins

4.

transport of substances

e)

hormonal proteins

5.

coordination of an organisms activities

5.

Match the following

a)

receptor proteins

1.

response of cell to cell stimuli

b)

contractile motor proteins

2.

movement

c)

structural proteins

3.

support

6.

What is an example of a protein that

Digestive enzymes catalyze (speed up) the hydrolysis (breaking down) of bonds in food molecules

(a)   proteins

7.

This protein can do such things like be an antibody to help destroy invaders and bacteria

(a)   proteins

8.

This protein, for example, in milk, has Casein which stores alot of amino acids

(a)   proteins

9.

Hemoglobin the the iron-containing protein of vertebrate blood transports oxygen from the lungs to other parts of the body.

(a)   proteins

10.

Insulin, a hormone secreted by the pancreas causes other tissues to take up glucose, thus regulating blood sugar concentration

(a)   proteins

11.

receptors built into the membrane of a nerve cell detect signaling molecules released by other nerve cells

(a)   proteins

12.

These proteins are responsible for the undulation of cilia and flagella. actin and myosin proteins are responsible for the contraction of muscles

(a)   proteins

13.

The protein that makes up hair, horns, keratin, skin etc etc

(a)   proteins

14.

Label the structure of amino acid, aka the monomer of protein

15.

the R group of amino acids can be one of many many different options

a)

true

b)

false

16.

(a)   are unbranched polymers
built from amino acids

17.

A (a)   is a biologically functional
molecule that consists of one or more
polypeptides

18.

(a)   form between adjacent
amino acids

19.

​ (a)   make up ​ (b)   which make up ​ (c)  

Choose from the below words
amino acids
polypeptides
proteins
20.

(a)   joined by dehydration
synthesis

21.

the (a)   of a protein determines its function

22.

sequence of amino acids

(a)  

23.

interaction of groups in the peptide backbone, either a α\alpha helix or β\beta sheet

(a)  

24.

folded shape of the polypeptide chain

(a)  

25.

interactions between multiple polypeptide subunits

(a)  

26.

Match the following

a)

sequence of amino acids

1.

primary structure

b)

interaction of groups in the peptide backbone αβ\alpha\beta

2.

secondary structure

c)

folded shape of the polypeptide chain

3.

tertiary structure

d)

interactions between multiple polypeptide subunits

4.

quaternary structure

27.

This secondary structure looks like a swirly spring

(a)  

28.

this secondary structure looks like a flat strand with an arrow pointing towards the carboxyl end

(a)  

29.

The tertiary structure (shape of polypeptide) is determined by (a)   properties

30.

In a ​ (a)   interaction, ​ (b)   with
hydrophobic (​ (c)   ) side chains usually end up in the
​ (d)   of the protein

Choose from the below words
hydrophobic
amino acids
nonpolar
core
31.

(a)   can form between the sulfurs of two
cysteines

32.

(a)   results from interactions
between multiple polypeptide chains

33.

Why is understanding the structure and function of proteins important?

a)

helps understanding diseases and treatments

b)

helps drug development

c)

helps gene expression and organism adaptability

d)

gluten!

34.

Which of these can determine or change protein structure

a)

alterations in pH

b)

salt concentration

c)

temperature

d)

water present

35.

A loss of structure is
called (a)   -
inactive

36.

Match the MONOMER to its respective thingy

a)

monosaccharide

1.

carbohydrate

b)

nucleotide

2.

nucleic acid

c)

amino acid

3.

protein

d)

fatty acid

4.

lipid

37.

Match the Monomer to what polymer it makes up

a)

monosaccharide

1.

starch

b)

nucleotide

2.

DNA strand

c)

amino acid

3.

polypeptide

d)

fatty acid

4.

triglyceride

38.

Match the POLYMER to its thing

a)

starch

1.

carbohydrate

b)

DNA strand

2.

nucleic acid

c)

polypeptide

3.

protein

d)

triglyceride

4.

lipid

39.

Lipids are (a)   , aka they do not dissolve in water

40.

A high proportion of (a)   bonds
causes lipids to be hydrophobic

41.

another word for fats in lipids are

(a)  

42.

the 3 main categories of lipids are

a)

triglycerides

b)

phospholipids

c)

steroids

d)

nucleic acids

e)

amino acids

43.

Triglycerides (fats) are made of One _________, and Three __________

They are great for _____________

(a)  

44.

Fatty acids are long hydrocarbon chains
which may be

a)

saturated

b)

unsaturated

c)

polyunsaturated

d)

monosaturated

45.

A SATURATED fat looks more like

a)

---

b)

L

46.

saturated fats make up stuff like

a)

butter

b)

oil

47.

Unsaturated fats look more like

a)

L

b)

---

48.

unsaturated fats make up stuff like

a)

oil

b)

butter

49.

What are the elements of proteins?

(a)  

50.

Water likes and dissolves (a)   atoms