The mode of nutrition in protozoa. Concept introduction: Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

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Chapter 18.4, Problem 1MC

Summary Introduction

To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation? The cell membranes are more resistant than normal. An isotonic solution had been added instead of water. A solution of 0.1 M NaCl had been added instead of water. Not enough water had been added to the red blood cell pellet. The man had sickle-cell anaemia.

With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin

Answer 2

Question

Chapter 18.4, Problem 1MC

Summary Introduction

To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

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Answer 3

Question

Chapter 18.4, Problem 1MC

Summary Introduction

To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Expert Solution & Answer

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Answer 4

Question

Chapter 18.4, Problem 1MC

Summary Introduction

To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Expert Solution & Answer

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Answer 5

Chapter 18.4, Problem 1MC

Summary Introduction

To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Answer 6

Chapter 18.4, Problem 1MC

Summary Introduction

To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Answer 7

Chapter 18.4, Problem 1MC

Summary Introduction

To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 18.1 - What features define the protists?Ch. 18.1 - Prob. 2MC Ch. 18.1 - Why are evolutionary biologists interested in...Ch. 18.2 - Prob. 1MC Ch. 18.2 - Prob. 2MC Ch. 18.2 - List and describe the characteristics of the major...Ch. 18.3 - What mode of nutrition do the slime molds and...Ch. 18.3 - Prob. 2MC Ch. 18.3 - Prob. 3MC Ch. 18.4 - Prob. 1MC

The mode of nutrition in protozoa. Concept introduction: Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Solution Summary: The author explains that protozoans are animal-like protists that can move independently without cilia or flagella. They have pseudopodia, which are large, rounded cytoplasmic extension that function both

Concept explainers

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To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Want to see the full answer?

Chapter 18 Solutions

The mode of nutrition in protozoa. Concept introduction: Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Solution Summary: The author explains that protozoans are animal-like protists that can move independently without cilia or flagella. They have pseudopodia, which are large, rounded cytoplasmic extension that function both

Concept explainers

Videos

To determine: The mode of nutrition in protozoa. Concept introduction: Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.

Want to see the full answer?

Chapter 18 Solutions

To determine:

The mode of nutrition in protozoa.

Concept introduction:

Protozoans are animal-like protists that can move around. Their means of movement are through flagella and cilia. These are heterotrophic and derive their nutrition from consuming other organisms.