Chapter 4

What is the normal pH in the blood

7.4

Based on the elements that make up are residue what pH level can amino acids be

Acidic, neutral, or basic

The small amount of energy it takes to get a chemical reaction started is called

Activation energy

Which of the following statements is true

All the atoms have the same number of protons

When all hydrogen isotopes have the same number of electrons

All three have the same atomic number

What type of bond is formed as to amino acids are combined together

Amide

Which of the following represents the smallest structure

Atoms

Why does the proximity of reactants affect solubility

Because reactants must touch for the reaction to a cure and disassociation water must come in contact with ionic compound in order to start the process

Which enzyme is responsible for producing hydrogen ion in most cells

Carbonic anhydrase

An atom that has lost in electron is known as

Cation

Which of these steroid hormones has an anti-inflammatory properties

Cortisol

Water is composed of hydrogen and oxygen which are both nonmetals water molecule are held together by

Covalent bond

Bookworm -> book + worm

Decomposition reaction

A carbohydrate that contains two monomers is known as

Disaccharide

Which of the following best describes the picture below

Dissociation

Based on the image which of the following is true

Enzymes are more present in the reaction on the right

Which of the following best describes the activity of enzymes

Enzymes bind few molecules and do not undergo a shape change after the reaction

Notebook + worm -> note + bookworm

Exchange reaction

The process of cannibalizing carbohydrates to make ATP in the absence of oxygen is known as

Fermentation

If one wants to ingest more omega-3 fatty acids what type of food item should be considered

Fish products

What is the main social element of all steroids

Four carbon rings

What is the main ion that Hass to be buffered to help maintain normal blood pH

Hydrogen

Which ion is the pH scale logger logarithmically in inversely related to

Hydrogen ion

The molecule on which the enzyme acts is the

Substrate

Note + book -> notebook

Synthesis reaction

What would be the anti-sent strand to a ACCTGCGA

TGGACGCT

What happens to the mall you and be once water has been added to the molecule

The covalent bond is broken to produce two smaller molecules

Using the image below which of the following statements is true

The reaction on the right occur sooner than the reaction on the left

What is the main property of phospholipids in the cell membrane that allows them to form a bilayer

They are amphiphilic and that they contain both hydrophilic and hydrophobic regions

Which base pairs absent in RNA

Thymine

In the dehydration synthesis reaction below which molecules removed from the reactants to form the Glycosidic linkage

Water

The image below the process of dehydration synthesis is demonstrated dehydration suggest that which Michael is being removed from the reactants

Water

How many amino acids are required to form and proteins

31

How many neutrons are found in this atom of helium

2

Carbohydrates typically have the empirical formula of CH20 therefore a carbohydrate with 20 hydrogen Adams will have how many carbon atoms and how many oxygen Adams

10 carbon atoms and 10 oxygen atoms

How does temperature affects solubility

Increase temperature increases solubility

The reaction below shows the hydrolysis of maltose into glucose molecules if humans can digest maltose this means

It contains an alpha linkage

Water is inorganic molecule because

It lacks a carbon atom

Testosterone is a steroid hormone and therefore is also

Lipid

What amino acid is encoded by AAA

Lys

Which unit is used to indicate molarity

M

What is the first amino acid for all genes

Met

A patient is on diuretic to increase urine output this drug inhibits carbonic anhydrase in the kidneys what condition can result from this enzyme inhibition

Metabolic acidosis

Isotopes are created due to an element having a different number of which particle

Neutrons

Which macromolecule class is responsible for directing the production of proteins

Nucleic acids

In this color scale below what page is required to activate pepsinogen to pepsin

Orange 2

Which cells produces an acidic secretion that is released into the lumen of a gland

Parietal cells of the stomach

Which sell releases in alkaline blue range solution into the lumen

Prostate gland cells

Enzymes are examples of which type of organic compound

Proteins

What is the main buffering system in the blood and circulating cells

Proteins

An elements atomic number represents the number of ___ found in an element

Protons

What would you find in the region in the middle of an Atom

Protons and neutrons

At what structure level is aggregation of two or more individual polypeptide chains form that come together to act as a single functional multi Merrick protein

Quaternary

What is the condition that can result from holding one's breath to dive underwater

Respiratory acidosis

Which of the following currently describes the image

Salt is the solute in water is a solvent

What is the primary difference between unsaturated and saturated fat

Saturated fats like C equals C bond groups whereas unsaturated fats contain one or more C=C groups

Why structure level involves formation of alpha helix and better sheets

Secondary

Which of the following statements is true about the relationship between particle size and solubility

Smaller particles have increased solubility due to increased interactions with water molecules

What is the end product of translation

protien

What is the most abundant isotope of hydrogen

protium