Unit 2 - Metabolism and Survival

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Higher Biology (CfE) Curriculum for Excellence - Scotland - 2020

Which of the following corrective responses of the human body will help it to cool down on a hot day? *

1 point

contraction of the erector muscles on body hairs

shivering

sweating

vasoconstriction of blood vessels

In Fermentation (anaerobic respiration) in mammals, each glucose is converted to pyruvate then lactate. How much ATP is made? *

1 point

8 ATP

2 ATP

36 ATP

38 ATP

4 ATP

6 ATP

In humans during fermentation (anaerobic respiration), glucose is converted to pyruvate which then converts to which product? *

1 point

lactate

carbon dioxide

ethanol

Glucose + Oxygen ---> Carbon Dioxide + Water (aerobic respiration) is an example of: *

1 point

anabolism

catabolism

Which part of aerobic respiration takes place in the matrix of the mitochondria? *

1 point

Mitochondria diagram

Glycolysis

Electron transport chain

Citric acid cycle

The fluid mosaic model of the membrane contains which of the following? *

1 point

nucleic acids and proteins

proteins and phospholipids

lipids and nucleic acids

phospholipids and carbohydrates

During the last stage of aerobic respiration, Hydrogen ions are pumped out across the inner membrane of the mitochondria and then return through which enzyme to create ATP? *

1 point

phosphorylase

β-galactosidase

ATP synthase

DNA polymerase

Fish have a single circulatory system. Where do they pick up the oxygen? *

1 point

At the gills

At their lungs

In their mouth

Absorbed through their skin

Which of the following have a complete double circulatory system? *

1 point

Reptiles and amphibians

Birds and mammals

Only mammals

Fish and birds

A reptile called the common Lizard is found in Scotland. Which of the following is true? *

1 point

It has a complete double circulatory system and is a conformer

it has a single circulatory system and is a regulator

It has a double ciculatory system and is a regulator

It has an incomplete double circulatory system and is a conformer

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