2. Describe the structure of hemoglobin using the words globin, heme, & oxygen.

Answers

Answer 1

Explanation:

Each hemoglobin molecule is made up of four heme groups surrounding a globin group, forming a tetrahedral structure. ... There are four iron atoms in each molecule of hemoglobin, which accordingly can bind four atoms of oxygen. Globin consists of two linked pairs of polypeptide chains.

Answer 2
Hemoglobin, also spelled haemoglobin, iron-containing protein in the blood of many animals—in the red blood cells (erythrocytes) of vertebrates—that transports oxygen to the tissues. Hemoglobin forms an unstable reversible bond with oxygen. In the oxygenated state, it is called oxyhemoglobin and is bright red; in the reduced state, it is purplish blue. Hemoglobin develops in cells in the bone marrow that become red blood cells. When red cells die, hemoglobin is broken up: iron is salvaged, transported to the bone marrow by proteins called transferrins, and used again in the production of new red blood cells; the remainder of the hemoglobin forms the basis of bilirubin, a chemical that is excreted into the bile and gives the feces their characteristic yellow-brown colour. Each hemoglobin molecule is made up of four heme groups surrounding a globin group, forming a tetrahedral structure. Heme, which accounts for only 4 percent of the weight of the molecule, is composed of a ringlike organic compound known as a porphyrin to which an iron atom is attached. It is the iron atom that binds oxygen as the blood travels between the lungs and the tissues. There are four iron atoms in each molecule of hemoglobin, which accordingly can bind four atoms of oxygen. Globin consists of two linked pairs of polypeptide chains. Hemoglobin S is a variant form of hemoglobin that is present in persons who have sickle cell anemia, a severe hereditary form of anemia in which the cells become crescent-shaped when oxygen is lacking. The abnormal sickle-shaped cells die prematurely and may become lodged in small blood vessels, potentially obstructing the microcirculation and leading to tissue damage. The sickling trait is found mainly in people of African descent, though the disease also occurs in persons of Middle Eastern, Mediterranean, or Indian descent.

Related Questions

If your RHR (Resting Heart Rate) is 23 beats per 20 second, what is the rate per minute (BPM)?

Please help!!!!!

Answers

Answer:

69

Explanation:

20 seconds x 3 = 1 min/ 23 x 3 = 69

Answer:

69

Explanation:

20secs*3=1min

23*3=69

the _ is the process at the top of the femur

Answers

Answer:

Ball and socket

Explanation:

The leg goes in this order:

Pelvis

Ball and socket

Femur

Knee joint

Tibia

Foot

Is it ok to wait to see a doctor after breaking your ankle?​

Answers

Answer:

no

Explanation:

if you wait it could break it even more and worsen your condition

Why might fire departments require that applicants fall within a certain age range?
to decrease the number of applicants who apply each year
to provide a basis for applicants to gain superiority in the field
to make certain that the applicants are physically fit for the stressful requirements
to ensure the applicant has enough college education to complete the training

Answers

Answer:

the answer would be c

*
Depression is
an occasional sad mood
a rare illness in teens
O a serious condition that may require medical help
an untreatable illness

Answers

Answer:

a serious condition that may require medical help

Explanation:

a serious condition that may require medical help

Which aspects of the family can affect an individual's well-being? Select four options.


security

love

peer influence

educational level

socioeconomic status

Answers

i think it's security, love, peer influence, and socioeconomic status

20 POINTS AND I WILL GIVE FULL RATINGS

Families are important relationships because:
A. They span our lifetime.

B. They provide for our physical, emotional, and mental needs.

C. They influence the society in which we live.

D. All of the above

Answers

Answer:

All of the above

Explanation:

A family is important because our mental growth, well-being, and stability all depend on our family. ... Strong relationships teach us how to build trust in others as family members share both good and bad times together. Conflicts in family teach children a respectful way to resolve problems in the future.

Answer:

D. All of the above.

Explanation:

Because D is the right answer

Losing sleep has been linked to:

Answers

Answer:

Depression, lack of modivation, or not eating enough,

Explanation:

Answer:

It's been linked to obesity, hypertension, diabetes, depression, heart attack, and stroke.

Which of the following is an example of negative peer pressure? (multiple answers)
A. Complimenting you on your style
B. Asking you to help with a project
C. Encouraging you to smoke cigarettes
D. Encouraging you to eat healthfully

Answers

i would say the answer would be c

Answer:

c

Explanation:

cause a lot of bad family tell you to smoke and drink

iis 53240 a perfect cube if not then why we smallest number should 532440 be divided so that the quotient is a perfect cube ​

Answers

sorry dude your lost

Explanation:

Which of the following is not a function of the skin? Group of answer choices: protects the body; sensitive to temperature changes; helps regulate body temperature ; produces of gametes

Answers

Answer: Produces of gametes

Explanation:

gametes are reproductive cells, they’re produced in the reproductive organs not the skin.

The production of gametes is not a function of the skin.

What are the function of skin?

The skin has several important functions, including:

Protection: The skin acts as a barrier to protect the body from external damage, such as cuts, bruises, and harmful environmental elements.

Sensory perception: The skin contains sensory receptors that respond to pressure, temperature, and pain.

Temperature regulation: The skin helps regulate body temperature by releasing sweat to cool the body and constricting blood vessels to conserve heat.

Vitamin D synthesis: The skin produces vitamin D when exposed to sunlight.

Immune defense: The skin contains immune cells that help protect the body from infection and disease.

Hydration: The skin helps to retain moisture, preventing dehydration.

Learn more about skin, here:

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Sue is 17 years old and believes she is overweight. Which would be the best strategy for maintaining her health?Which statement about weight control is false?

Answers

Answer:

The answer is you should Analyze her weight, use available tools and doctors advice then adjust her diet and activity level.

Explanation:

A statement about weight control is false - Weight control as the primary benefit of exersice

How do opioids affect the brain? :) I WILL GIVE BRAINLIEST

Answers

Answer:

Opioids attach to your receptors, they block pain signals sent from the brain to the body and release large amounts of dopamine throughout the body. This release can strongly reinforce the act of taking the drug, making the user want to repeat the experience.

Explanation:

The examination will be held........(from,by,at) 8am to 11 am.​

Answers

Answer: from

Explanation:

Hope this helps

Corey decided to let his younger brother use a dull knife to cut his sandwich instead of a sharp one since he was younger.
safe or unsafe ?sate the reason why if its unsafe
Janet pulled her long hair out of her face and up into a ponytail before she started cooking. safe or unsafe sate reason if unsafe
Robert had only put the roast in the oven for about 5 minutes and decided to take it out quickly with his hands to finish seasoning it.
same question

Answers

Answer:

1. it's safe because since he is younger he could cut himself with a sharp knife.

2.its safe because her hair could get burnt and set a fire or hurt her.

3.unsafe because even tho it had only been in there for 5 minutes he could still get burnt and should use oven mitts.

Explanation:

hope this helps

Which of the following statements about training heart rate is TRUE? A. Training heart rates are same for every person. B. Training heart rates do not take into account the fitness level of the individual. C. Training heart rate is the pulse rate that is desired to achieve health and fitness benefits. D. All of the above

Answers

Answer:

C

Explanation:

Answer:

its c.

Explanation:

because i just did the test

Which of the following exercises would be BEST for improving muscular strength and endurance?
A.
walking
B.
running
C.
push-ups
D.
bicycling.

Answers

Answer:

C.  push-ups

Explanation:

In order to know the answer, it is best to define what "muscular strength" and "endurance" are.

Muscular strength is related to a person's ability to lift a particular object with weight while endurance refers to a person's ability to tolerate by lifting that object without getting drained.

Improving both muscular strength and endurance is possible through "resistance training." This can be done by using equipment like dumbbells, medicine ball, resistance bands and the like. Nevertheless, this can also be done by using your own body weight.

Using your own body weight in exercising is possible such as push-ups. This can enhance both of your muscular strength and endurance.

Answer:

C. push-ups

Explanation:

took to test on edge

Which of the following is NOT a part of your health triangle *
O Family health
O mental/emotional health
O physical health
social health

Answers

family health or social
The correct answer is family heath

Hope this help

During the formation of sex cells, the type of cell that forms after meiosis I is a
cell.

Answers

Answer:

The correct answer would be haploid cells.

Explanation:

Meiosis is a type of cell division in which reduction division takes place, that is, the number of chromosomes reduces to half.

Meiosis is divided into two parts; meiosis I and meiosis II.

Meiosis I is a reduction division which results in the formation of two haploid daughter cells from a single diploid parent cell. It results in the equal distribution of chromosomes into the daughter cells.

Meiosis II is an equational division in which the sister chromatids of each chromosome gets separated and distributed into daughter cells. The two cells formed after meiosis II further divide to produce four daughter cells.

Answer:

haploid cells

what the difference is between health, fitness and wellness ?

Answers

Answer:

Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity

Fitness specifically refers to physical health, and is the ability to complete a physical task, or the lack of a physical ailment

Wellness, on the other hand, refers to the balance of a spectrum of health-related elements in one's life

Which factor increases the risks associated with diving into water?

A. Diving during the day

B. Not seeing the bottom

C. Being able to swim

D. Having a friend present

Answers

I believe it’s B I think ...
The answer iss b not seeing

3. Acquiring a(n) chronic disease moves an individual to a lower level of wellness.
true or false​

Answers

Answer:

True.

Explanation:

Chronic illnesses harm the body and can potentially last for a lifetime. It's almost impossible to be completely healthy if you have a chronic disease.

Genetic research and testing includes
A. the Human Genome Project
B. gene therapy
C. genetically engineering drugs
D. all of the above

Answers

d; all of the above

It should be noted that Genetic research and testing includes all the given options, which is option D.

What is Genetics research?

Genetics research can be regarded as a field which focus on the study of traits and the effect in diseases.

The tools needed for Genetic research and testing includes

Human Genome ProjectGene therapyGnetically engineering drugs

Therefore, all the above tools are needed because Gene therapy helps to control the gene, while Gnetically engineering drugs so as to find cure to diseases.

Learn more about Genetics research at;

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Explain the role of the excretory system?

Answers

Answer:

The excretory system is responsible for eleminating waste products and filtering body fluids.

Different forms of exercise improve different aspects of health-related fitness.

Please select the best answer from the choices provided.

[]T

[]F

Answers

Answer:

ture

Explanation:

hope it is right but not sure

Answer:

Yeah it's True

Explanation:

am doing some work too here's some proof to question (I wish it was summer vacation again.) :( <sad face

How long does it take a human to procreate??

Answers

Answer:

266 days

Explanation:

What factors allow MRSA to spread rapidly in healthcare settings? Check all that apply.

always using medical aseptic techniques

large numbers of people with weakened immune systems

frequent contact between patients and staff

sterilization of surgical equipment

PLEASE HURRY

Answers

Answer:

B. Large numbers of people with weakened immune system

C.frequent contact between patients and staff

MRSA is referred as Methicillin-resistant Staphylococcus aureus. The factors allowing it to happen is that large numbers of people with weakened immune systems.

What is MRSA?

Methicillin-resistant Staphylococcus aureus is infection caused by Staphylococcus bacteria and is difficult to treat because of its antibiotic resistance.

These generally reside on in nose and on skin and are generally harmless. The symptoms includes:

Rash.Headache.Muscle ache.Shortness of breath.Chest pain.

It is spreading rapidly in healthcare because large numbers of people have weak immune system.

Thus, the correct option is B.

For more information about MRSA, visit:

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what is a field goal in basketball?

Answers

Answer:

In basketball, a field goal is a basket scored on any shot or tap other than a free throw, worth two or three points depending on the distance of the attempt from the basket.

Explanation:

Wellness is the struggle to keep all the components of health at their best possible levels.
Please select the best answer from the choices provided.
ОТ
OF

Answers

Answer:

True

Explanation:

Answer: True

Explanation: Got it right on Edge

Failure to______after exercising may result in dizziness or sudden fainting
A. warm up
B. cool down
C. stretch
D. rest​

Answers

Answer:

Stretch and cool down. Causes great muscle pain and aches.

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