You decide to eat a given food. Discuss the various biological steps that will take place in your body to extract the necessary nutrients like amino acids, glucose, and fatty acids from the food and make them available to the body cells.

is it more energetically expensive to feed monosaccharides other than glucose into the glycolytic pathway? explain.

why is the cell's ability to regenerate NAD+ critical to glycolysis? which glycolytic enzyme requires NAD+?

Consider the following proteins: human serum albumin (pI of 4.7 and a MW of 66,463 Da) and lysozyme (pI of 11.35 an MW of 14,307 Da) To which of the following will human serum albumin bind? To which of the following will lysozyme bind? Choose all correct answers.

a. anion exchange column 3.5

b. anion exchange column 7.5

c. anion exchange column 10.1

d. cation exchange column 3.5

e. cation exchange column 7.5

f. cation exchange column 10.1

please fully explain your answer.

for nucleic acids, where is it meaningfully digested in humans?what is the enzyme used to break it down?

New life form discovered bottom of the ocean. This life form uses 8 new amino acids to build proteins, with also the 20 that are already use. Also, size of their codons appears the same as ours. Which statements could be expected to be true for this life form?

Select one:

a. Protein structure will be less diverse

b. Genetic code will be more redundant so more of the codons code for the same amino acids

c. Must have less nucleotides than we do

d. the genetic code will be less redundant so less codons code for the same amino acid

e. No statements can be expected from this life form

QUESTION 70

1. Water is an excellent solvent for living things because

   	A.	compounds with ions like sodium as well as polar molecules like glucose readily dissolve in water.
   	B.	it is semisolid at body temperature, preventing it from flowing freely through the human body.
   	C.	it maintains an unstable temperature for chemical reactions to occur.
   	D.	it can rearrange its bonds forming a new substance

1.5 points   

QUESTION 71

1. What do we find in the nucleus of an atom?

   	A.	electrons and protons
   	B.	electrons
   	C.	protons only
   	D.	neutrons and electrons
   	E.	protons and neutrons

1.5 points   

QUESTION 72

1. Which major digestive process involves nutrient molecules passing from the GI tract into the blood? (they're not asking about the actual breakdown of food)

   	A.	secretion
   	B.	absorption
   	C.	digestion
   	D.	mechanical processing and movement
   	E.	elimination

1.5 points   

QUESTION 73

1. Which one of the following activities would be facilitated by the  sympathetic nervous system?

   	A.	decreased respiratory rate
   	B.	increased bladder contraction
   	C.	increased blood pressure
   	D.	decreased heart rate
   	E.	increased digestion and absorption

1.5 points   

QUESTION 74

1. Which one of the following cells transmit impulses away from the central nervous system to the muscles and other organs?

   	A.	sensory neurons
   	B.	motor neurons
   	C.	dendrites
   	D.	none of the above
   	E.	neuroglia

1.5 points   

QUESTION 75

1. Which one of the following components is needed to synthesize a new strand of  DNA?

   	A.	disaccharides
   	B.	glucose
   	C.	nucleotides
   	D.	amino acids
   	E.	lipids

1.5 points   

QUESTION 76

1. Which one of the following divisions of the nervous system is active during the relaxed (resting) state?

   	A.	somatic division
   	B.	fight or flight division
   	C.	parasympathetic division
   	D.	sympathetic division
   	E.	endocrine division

1.5 points   

QUESTION 77

1. Which one of the following forms of birth control reduces the risk of transmission of sexually transmitted diseases?

   	A.	birth control pill
   	B.	hysterectomy
   	C.	IUD
   	D.	condom
   	E.	hysteroscopy

1.5 points   

QUESTION 78

1. Which one of the following forms the  major portion of the  bilayer structure that is found in cell membranes?

   	A.	amino acids
   	B.	phospholipids
   	C.	saturated fats
   	D.	carbohydrate
   	E.	triglycerides

1.5 points   

QUESTION 79

1. Which one of the following is TRUE regarding enzymes?

   	A.	Enzymes are not that important in reactions.
   	B.	Enzyme function is not affected by changes in pH.
   	C.	Enzymes are used up in a chemical reaction, so an organism must constantly replace these enzymes.
   	D.	Each enzyme catalyzes one specific reaction or group of reactions.
   	E.	Enzyme function is not affected by changes in temperature.

What is the isoelectric point of the following tetrapetide that contains the amino acids represented by the single letters “DREN”, such that D is at the amino-terminal end of the peptide and N is at the carboy-terminal end.

Propose three potential fates of the acetyl CoA generated from catabolism of branched chain amino acids.

Please only answer no need to explain. Thank you

1. The three stages of aerobic respiration are ________________________________,

      _____________________________ and _________________________________.

2.   Microorganisms that are able to respire oxidatively or fermentatively are called

    ___________________________________. An example of such an organism is

      _________________________________. When they grow aerobically they produce

      _____________ ATPs and when they are anaerobic they produce _________ ATPs.

3.   Chemoheterotrophs are able to use _____________________________as a source of

      __________________ and carbon, whereas photoautotrophs are able to use     

      ______________________ as a source of _____________________ and

      ______________________ as a source of carbon.

5. In the process of protein synthesis the DNA code is __________________________

     into messenger RNA using the enzyme ____________________________________.

     The mRNA is then ______________________________ into a protein using amino acids          

     that are brought there using ____________________________. This takes place on the

     organelle called the _____________________.   

6.   If the triplet of bases in the DNA is AGT, then the complementary bases in the mRNA

      will be ________ . This sequence of bases in the mRNA is called the _______________.

7. The antibiotic penicillin inhibits the cell wall synthesis of only____________________ bacteria.

8. A permanent inheritable alteration in the DNA is called a __________________________.