BIO 100 – In the case of temperature regulation

10 Jun BIO 100 – In the case of temperature regulation

Question
In the case of temperature regulation, imagine that the skeletal muscles are the effectors. If the comparator “senses” that the output temperature is too low, it will cause the muscles to?

ARelax to generate heat

BContract to generate heat by way of a negative feedback loop

CContract to generate heat by way of a positive feedback loop

DRelax to generate less heat

EBecome paralyzed

The most abundant protein on earth is which of the following enzymes?

ARubisco which works in the light reaction to split water

BATP synthase which makes ATP due to direct effects of oxygen

CProtein hydrolase which breaks up proteins

DRubisco which combines with carbon dioxide in the atmosphere in the dark reaction.

Which of the following organelles directly produces proteins?

APlasma membranes

BNucleus

CGolgi complex

DMitochondria

ENone of the above

A hypotonic cell is floating in hypertonic solution. What happens to the cell?

AIncreases in size

BDecreases in size

CStays the same

DProduces protein

EProduces lipids

Which of the following is the first method for making ATP?

AOxidative phosphorylation

BSubstrate phosphorylation

CKrebs cycle

DLactic acid cycle

Which of the following compounds is created from pyruvic acid? (Be complete with your answer)

ACarbon dioxide

BLactic acid

CEthanol

DAll of these

What molecule(s) is/are necessary components for the Calvin (dark) Cycle to function? (Be complete in your answer)

AATP and NADH

BATP and NADPH

CNADH

DNADPH

EATP

The metabolic cycle that begins with the molecule Acetyl CoA and produces most of the NADH and FADH for ATP production, is which of the following?

AKrebs Cycle

BATP synthase activation by hydrogen ions

CElectron Transport System

DGlycolysis

EFree Oxygen radicals

The matrix of a mitochondria contains which of the following?

AEnzymes for both anerobic and aerobic metabolism

BEnzymes for ATP consumption

CEnzymes for anaerobic respiration

DEnzymes for aerobic respiration

The football coach tells his team that the reason they get fatigued is because they do not have enough oxygen in their blood. To get more oxygen so that they can play for longer periods of time, they need to… ? (Be complete with your answer)

A(1),(2),(3)

BBoth (1) and (2)

C(3) Exercise so their muscles become more glycolytic

D(2) Increase the amount of oxygen they inhale

E(1) Increase the number of their red blood cells that carry oxygen to the cells

Which of the following can block the transfer of oxygen to the cells?

ASulfur hexafluoride gas

BNitrogen oxide

CMethane

DCarbon monoxide

In plant cells, what takes the place of oxygen to directly promote chemiosmosis.

ANAD

BNADPH

CCarbon Dioxide

DWater

Cyanide is a metabolic poison that works at which site?

AHemoglobin level

BElectron transport complex

CATP synthase

DKrebs

EGlycolytic pathway

Hydrochloric acid is produced in the stomach primarily to do which of the following?

ADigest proteins and lipids primarily using bile

BDigest proteins in conjunction with protein digesting enzymes

CDigest lipids in conjunction with lipid digesting enzymes

DDigest carbohydrates in conjunction with carbohydrate digesting enzymes

How are photosynthesis and oxidative metabolism similar?

A(1), (2) and (3)

B(1) Both require ATP synthase

C(2) Both require light

D(3) Both use an electron transport system

E(1) and (3)

Which gas is a metabolic product of photosynthesis?

ASulfuric gas

BOxygen radical

CCarbon monoxide

DOxygen

ECarbon dioxide

Dr. Pozos was mistakenly given the wrong medication for controlling his cholesterol levels. He was given peristaltinol, a drug that affects peristalsis. This drug causes the rings of circular muscles to push the bolus of food quickly through the digestive tract. Which muscles are directly affected by this drug?

ASmooth muscle

BCardiac muscle

CSkeletal muscle

DAll three groups of muscles, smooth, skeletal, cardiac.

There are a number of hormones that are produced in the intestines that control appetite. To control appetite, these hormones must interact with ———- which determine the set point for appetite and they get there by way of ———–?

ASmall intestine, lumen

BBrain cells, blood

CLarge intestinal cells, blood

DStomach cells, lumen of the stomach

The carbon-nitrogen bond that connects amino acids together in a protein is referred to as the…

Aromantic bond

Bpeptide bond

Coctet bond

Dionic bond

The peptide bond is important for proteins because it is the bond that links the amino acids together to form the polypeptide. Which covalently bonded atoms would be removed to make a peptide bond?

AC-O

BC-N

C-R, -NH

D-H, -OH

E-N, C=O

Which of the following is an enzyme that hydrolyzes the carboxy-terminal (C-terminal) end of a peptide bond?

ADipeptidase

BChymotrypsin

CLipaseII

DCarboxypeptidase

In which of the following structures are you likely to find a glycosidic linkage?

ATriglyceride

BA peptide

CA monosaccharide

DA disaccharide

Which of the following is required for the direct synthesis of a steroid?

AAmino acids

BAdipose tissue

CLipids

DCholesterol