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7 / 31  A molecule of hemoglobin ________.
A  is shaped like a biconcave disk packed almost entirely with iron
B  contains four glycoprotein units studded with oxygen
C  consists of four globin proteins, each bound to a molecule of heme
D  can carry up to 120 molecules of oxygen

Questions & Answers

Types of living things
Evah Reply
search up "taxonomy"
Favour
there are many kingdoms: animal, plants, fungi, and more
Favour
a better question would be "What are the various classifications of living organisms?"
Favour
learn to ask questions that aren't too vague
Favour
what is the largest bone of human?
Aicon Reply
thats a google question
Favour
search "largest bone in skeletal system"
Favour
femour
mnayeem
The skull
William
femur in thighs
Muhammad
femur
Akec
the diagram of cell membrane
Teboh Reply
***bit.ly/3kfrdfV Link to cell membrane diagram and more info... Remember, you can search the A&P book.
Favour
describe diffusion as used in body fluid movement
brenda Reply
how was the movement?
Jenelyn
classify joint function with example
James Reply
cytoskeleton diagram
Miriam Reply
two types of cells biological name
Miriam
eukaryotic and prokaryotic
Emraan
Difference between extracellular and intracellular
Eli Reply
extra (exit) outside the cell, intra inside the cell
Amy
extracellular is 1/3 of total body water...intracellular 2/3 of total body water
Favour
what is culture?
Nepi
is the way of life of people
Senior
He meant in the context of biology...as in "tissue culture".
Favour
what does depolarization mean...in terms of the cardiovascular system?
Tracy
depolarization means contraction
Abhishek
Depolarization, in the context of nerve and muscle tissue, is the decrease in membrane potential (the separation of charge between the extracellular and intracellular compartments). Basically, the charge in the cell becomes more positive when depolarization occurs.
Favour
In fact, the word 'polarize' used to mean dividing into extremes or opposite sides. The opposite is true for 'depolarize'
Favour
intracellular fluid is the fluid compartment of the body consisting of all water present within the cell...while extracellular fluid is water present out of the cell
brenda
Why apoptosis is important?
Duchess Reply
name the body organ which helps in the oxygenation of body.
Eli Reply
respiratory system (lungs) brings in oxygen...cardiovascular system (blood) circulate it
Favour
Lungs
Emil
the heart
Mpho
Mpho explain
Favour
cells... tissues...organs
Angel Reply
...organ system...organism...species...population...
Favour
connection between respiratory and circulatory system
Philip Reply
what's respiratory system
Philip
what is the site of CHON synthesis?
World
send them boi
alex
dont send via email...use google drive
Favour
Which major organ lies deep to the right hypochondriac region?
Biswajit Reply
deep as in most posterior kidney, or deep as in inferior small intestine?
Amy
liver
Emil
what is the weakest muscle in the body?
zharla Reply
stapedius
Isaac
Connective tissues composed with the blood
EDIGAR Reply
blood cell
nancy
Why is left bronchi narrow?
nancy
what is the most widely distributed connective tissue in the body?
Aila Reply
hai
SURENDRA

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Source:  OpenStax, Anatomy & Physiology. OpenStax CNX. Feb 04, 2016 Download for free at http://legacy.cnx.org/content/col11496/1.8
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