Enzyme Specifics: Interactive Video

Organize these options into the right categories.

The lock and key model.

Groups:

(a) The enzyme

,

(b) The substrate

,

(c) The active site

,

(d) The enzyme/substrate complex

• the key and its specific shape

• the key fitting inside the lock

• the lock

• the shape of the lock

According to the previous video on how enzymes work, all enzymes have a/an ​ (a)     temperature. This is the temperature at which the enzyme works ​ ​ (b)     . If the temperature gets to high, the ​​ (c)     may change shape. This irreversible damage is called ​​ (d)     . The enzyme will no longer be able to bind to its ​​ (e)     .

• optimum
• best
• active site
• denaturing
• substrate
• minimal
• the slowest
• product
• expanding

Are you enjoying the video lesson?

• Yes

• No

Organize these options into the right categories

Groups:

(a) Acid

,

(b) Base

,

(c) Neutral

,

(d) pH

• below 7

• weak is around 8 or 9

• 0 to 14

• 7

• weak is around 5 or 6

• distilled/pure water

• strong is around 1 or 2

• above 7

• strong is around 13 or 14

The common ending for enzymes is

• -ose

• -therm

• -ase

• -me

Enzymes can both build up or break down a substrate.

• True

• False

What is the primary function of enzymes in biological systems?

• To provide energy for reactions

• To store genetic information

• To speed up chemical reactions

• To transport molecules across cell membranes

Which of the following statements is true about enzymes?

• Enzymes are consumed in the reactions they catalyze

• Enzymes increase the activation energy of reactions

• Enzymes are proteins that act as catalysts

• Enzymes are carbohydrates