To draw: The brain, label the lobes and write their primary functions. Introduction: Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

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Answer 1

Question

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY: HOW LIFE WORKS (HC+LAUNCHPAD), Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Question

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY: HOW LIFE WORKS (HC+LAUNCHPAD), Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

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Answer 3

Question

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY: HOW LIFE WORKS (HC+LAUNCHPAD), Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY: HOW LIFE WORKS (HC+LAUNCHPAD), Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY: HOW LIFE WORKS (HC+LAUNCHPAD), Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

Answer 6

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY: HOW LIFE WORKS (HC+LAUNCHPAD), Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

Answer 7

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Answer 8

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY: HOW LIFE WORKS (HC+LAUNCHPAD), Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.