fast freezing / rigor mortis. Listen and read the textbook excerpt again. What might happen if a fish undergoes rigor mortis at a high temperature?. Listening. Listen to a conversation between an instructor and a student. Mark the following statements as

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3 fast freezing / rigor mortis

A ____________ reduces the chance of ice crystals forming on fish tissue

В A fish's muscles become rigidwhen it is in __________________.

5. Listen and read the textbook excerpt again. What might happen if a fish undergoes rigor mortis at a high temperature?

Listening

6. Listen to a conversation between an instructor and a student. Mark the following statements as true (T) or false (F).

1 __ The speakers discuss rates of freezing.

2 __ Muscle flakes separate under high temperatures.

3 __ Fish cannot stay in chilled storage for very long periods of time.

7. Listen again and complete the conversation

Instructor:Let’s review proper 1 ________ ___________. What should you do to a fish before freezing?

Student: Well, you need to 2 ________ the fish first.

Instructor:Yes, that's right. Do you know why that step is important?

Student: I think so. It slows the growth of bacteria, right?

Instructor:That's right. Fish also need to be at a low temperature when they leave 3 _______ ________.

Student: Really? Why is that?

Instructor:Well, if the temperature is too high, 4 __________ can occur.

Student: What's gaping? I'm a little confused about what that means.

Instructor: Gaping is when 5____________ flakes become separated. The fish looks ragged, and it decreases the value of the fish.

Student: Okay, that makes sense. So how long can fish stay chilled?

Instructor:Well, they shouldn't remain in chilled 6 __________ for too long. They should be removed from storage and frozen.

Speaking

8. With a partner, act out the roles below based on Task 7. Then, switch roles.

USE LANGUAGE SUCH AS:

Let's review...

Why is...?

What's the difference between...?

Student A: You are an instructor. Talk to Student В about:

· prefreezing treatment

· freezing techniques

· proper storage

Student B: You are a student. Talk to Student A fish storage and freezing.

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