1.) Predicting residual volume, rather than measuring it, likely increases the error in determining body density using hydrostatic weighing.

True or False

2.) An individual's loss of weight in water is directly proportional to the volume and weight of the water displaced by the body.

True or False

3.) Individuals with a higher body density will have more body fat.

True or False

4.) Hydrostatic weighing is considered the "gold standard" method of determining body composition because, when performed correctly, there is little to no error in the measurement of body fat.

True or False

1. Why is it likely that thioester and FeS compounds preceded phosphate compounds as an energy currency?

2. How did Paul Ehrlich’s work with the early aniline dyes lead him to believe that there could be “magic bullet” drugs?

3. What can the pharmaceutical industry and the health care industry do to reduce the emergence of more antibiotic resistance?

question 2

An atom with a partial negative charge is called a(n) ___

Group of answer choices

ion

electronegative atom

cation

electropositive atom

anion

Question 3

A chemical reaction in which bonds are broken is associated with

Group of answer choices

a release of energy

the consumption of energy

a synthesis

forming a larger molecule

both 1 and 3 are correct

all of the above are correct

Question 4

A ___ reaction involves bond formation

Group of answer choices

synthesis

catabolic

decomposition

anabolic

answers 1 and 4 are correct

answers 2 and 3 are correct

Question 5

True or false. Covalent bonds are more common than ionic bonds

Group of answer choices

True

False

Question 6

Select the statement that is most correct regarding chemical bonds

Group of answer choices

Covalent bonding involves the transfer of one or more electrons from one atom to another

Polar ionic are stronger than non-polar ionic bonds

Hydrogen bonds are very weak and often involve water

Ionic bonds involve sharing of electrons between two atoms

Question 7

Typically, nitrogen atoms are composed of seven electrons, seven protons, and seven neutrons. An isotope of nitrogen could:

Group of answer choices

be positively charged

be negatively charged

have more than seven electrons and more than seven protons

have more than seven neutrons

have more than seven each of electrons, protons, and neutrons

Question 8

A proteoglycan is:

Group of answer choices

a carbohydrate and protein compound

a lipid with carbohydrates attached

a single stranded nucleic acid

part of the cytoskeleton

Question 9

A triglyceride:

Group of answer choices

consists of fatty acids and glycerol

does not dissolve in water

plays a role in storage of energy

is a type of fat

all are correct

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Question 10

Not all proteins have a __ structure

a)Group of answer choices

b)tertiary

c)quaternary

d)secondary

e)primary

1. Describe the process of emulsification, and its importance in lipid digestion. Why do lipids require emulsification in order for proper digestion to take place? Be sure to discuss the components of bile and their role in emulsification.

2. Aside from bile, list and describe all enzymes that digest lipids throughout the GI tract.

M3 Discussion: The Respiratory System

This is something of a different type of discussion. Discuss in 1-2 short paragraphs 2 of the most informative pieces of information you learned in this chapter. You can discuss one of the homeostatic imbalances, a fundamental principle of respiratory capacities, gas exchange, etc, anything that was presented in the chapter you particuarly are interested in.

What structure prevents backflow of blood within the heart? Name all four of them.

Answer all of these following questions below with a total response that should be 300-500 words.

The following questions should be answered about the : Amygdala

1. Where is the area or structure located?
2. What are its major functions?
3. What techniques are used to view or measure it?
4. What happens when it is damaged?
5. What other structures is it near?
6. What other structures help or perform similar functions?

Read the Haas and Whited (2017) review paper on limb regeneration and answer one of the three following questions. A good answer to this question might require you to look up papers cited in this review. You can search for articles on scholar.google.com, and a great number can be downloaded on campus. If you do use another paper, please provide a citation.

   1. Describe what you feel is the critical step in the morphological development of the regenerated limb. Why is it the critical one?
   2. Choose one of the genes mentioned and explain what it does to aid in limb regeneration.
   3. Choose one of the techniques used to determine candidate genes and describe how it works and why it is useful. Choices are RNASeq, Transcriptomics, Expressed Sequence Tags/Microarray.

Answer each part in 3-5 sentences.

In your summary you should address the following questions:

What is simple diffusion?

What factors determine the amount of solute that can diffuse across a cell membrane?

How does facilitated diffusion differ from simple diffusion?

What is active transport and how does it differ from diffusion?

What are the characteristics of active transport?

What are the two types of active transport?

Describe the hubs and spokes model of semantic memory. Why are lesions in the premotor/motor cortices more likely to produce categorical deficits for tools than animals? Why do lesions in the anterior temporal lobe produce deficits for a wider range of concepts?

What are the advantages of including alternative proteins in meals? What are the disadvantages for young children?

There are relatively few neurons in the brain. How would you describe the other cells in the brain? Thinking back to the days you studied tissues, if you had to classify glia or neuroglia cells as tissue other than nerve tissue, how would you classify them? Justify your answer.

A friend approaches you about a nutritional product and ask you if it is worth it. He shows you a HGH cream called Somaderm that is a homeopathic human growth hormone, meant to penetrate the skin and reduce wrinkles, improve sleep, experience vivid dreams, promote muscle and bone growth, and reduce fat.

Use: concentration gradients, diffusion, active or passive transport, layers of the skin, what substances can or cannot pass through the skin and why.. to explain if the supplement is beneficial or if it is a scam.