What will be the effect of the following changes to the protein structure of hemoglobin and its function? A. Replacement of the proximal histidine residue at the 8thposition of the F helix by asparagine. B. A phenylalanine to proline mutation resulting in decreased cooperativity of the polypeptide chains. C. Replacement of a nonpolar amino acid in the interior of the protein to a hydrophilic amino acid.

Q: Septum Acinus Vein Duct

A: The Digestive System is the collection of organs and tissues that are in charge of food digestion, a...

Q: medical terminology?

A: 1. The diagnosis is most probably:- i) Type B gastritis- It is present in the antrum, associated wit...

Q: Classify the following concepts whether as a sign or symptom, and why? 1 - Fever 2 - Rash 3...

A: A symptom is a manifestation of disease that is visible to the patient, whereas a sign is a manifest...

Q: What is the major histological difference between thick andthin skin? Where on the body is each type...

A: The skin is the largest organ of the body and is present covering the entire external surface of the...

Q: AIG

A: Joints are connections made between bones that together form the skeletal system of the body. The jo...

Q: State some reasonable theories for the different functions ofhair of the eyebrows, eyelashes, scalp,...

A: Keratin is a stiff protein found in hair. Each hair has a follicle in which it is anchored to the sk...

Q: During a physical examination of a 35-year-old man with a spinal cord injury, the neurologist lightl...

A: The cremasteric reflex is found in males where the inner part of the thigh is stroked which causes t...

Q: Colouring, labelling and matching 1. Fig, 6.1 shows the main structures of the lymphatic system. Lab...

A: Due to our answering policy, we can only answer one question at a time. Therefore, please repost the...

Q: Study the model of the muscular system and state your observations.

A: The muscular system is made up of muscle tissues, are responsible for such functions:- helps to main...

Q: What are the two layers of the dermis? What type of tissuecomposes each layer?

A: The dermis is the skin layer behind the epidermis and above the subcutaneous layer. It is the skin's...

Q: Describe the structure of actin and myosin, including any accessory proteins.

A: Walking, running, writing, typing, and other activities are all part of the ordinary person's daily ...

Q: In which direction would an MRI scanner move to produce sequential images of the body in the frontal...

A: The MRI scanning is an apparatus, where the magnetic fields are used to create images of any part of...

Q: Retinitis pigmentosa (RP) is a disease that causes deterioration of the retinas of the eyes. Describ...

A: The eye is most important organ in our body which give us the visual inputs so that we can interpret...

Q: Define ligand, receptor, and receptor site.

A: Ligand , receptor and receptor sites are a part of a biochemical reaction which leads to changed str...

Q: Sep 25 O 54% Page 8 > of 10 ZOOM + 10. Label the Blood Vessels. Pituitary gland

A: The tube like structures involved in the circulatory system, through which blood flows to the tissue...

Q: Name four types of vertebrate teeth. Give the dental formula for adults and infants.

A: Teeth are structures located within the mouth that helps an animal bite and tear, crush, and shred i...

Q: Name and locate the muscles acting on the shoulderand arm and explain their movements.

A: Introduction: The soft tissue present in almost all mammals is the muscles. The muscle cells compris...

Q: A target effector, such as the heart, receives input from the sympathetic and parasympathetic system...

A: Introduction: The nervous system is categorized into the peripheral nervous system (PNS) and the cen...

Q: Explain carrier and channel-mediated transport.

A: Introduction: Passive transportation of substances occurs along the concentration gradient, and ener...

Q: Among the two diagrams, what is the most parsimonious tree? Are they equal? Why or why not?

A: Phylogenetic tree depicts the evolutionary relationship between the taxons in a tree. 

Q: 27. Metformin: (a) Reduced hepatic and renal gluconeogenesis (b) Decreased endogenous glucose produc...

A: 27. The insulin is a hormone which reduces the levels of glucose in blood.  Metformin is an oral hyp...

Q: Q.No.06:-Skull is dolicho cephalic when cephalic index is:- a) 65 to 70 b) 70 to 74.9 c)75 to 79.9 d...

A: The cephalic index can be defined as the ratio of biparietal diameter multiplied by hundred and then...

Q: Name three organic components of the bone matrix

A: The skeletal system which is responsible to provide the structural framework of the body is made up ...

Q: History of patient:  “A 12 year old girl presented to the A&E department at a weekend, with pain on ...

A: The clavicle is a fairly substantial bone with a little S-shape that may be noticed in a lot of peop...

Q: 24."Sterod a) generally easily cross plasma membranes T + b) bind to specific cytoplasmic receptors ...

A: The hormones are signalling molecules that act as a chemical messenger and use to cell communication...

Q: Compare/contrast the following brain imaging techniques: -CT -MRI -DTI -fMRI -PET

A: The imaging methods permit specialists and scientists to see movement or issues inside the human cer...

Q: What Disorder that can be seen in Smooth er?

A: The smooth endoplasmic reticulum is the cell organelle that does not have ribosomes on its surface. ...

Q: place in correct order 1. ACH binds to receptors

A: The muscle contraction is explained via tha Sliding Filament Theory of Huxley ans Huxley.  It talks ...

Q: Which of these muscles is an intrinsic hand muscle that moves thethumb?a. flexor pollicis brevis d. ...

A: We know that Muscles are responsible for maintaining and changing the posture of our body and also h...

Q: tissue. This is not one-to-one matching.   a)excitable b)fibroblast c)involuntary D) squamous ...

A: Tissue is a group of cells which perform the same function and have the same origin. There are mainl...

Q: Of the 4 primary classes of tissues, in which one class is the extracellular material usually the mo...

A: -Tissue can be described as the group of cells having same origin and function the same function as ...

Q: Secondary sex characteristics of females are stimulated by:   a. aldosterone.   b. androgens. ...

A: Secondary sexual characteristics are those characteristics which appear in the life of males and fem...

Q: A generator potential is: an EPSP an action potential an IPSP

A: The depolarization of sensory neurons capable of generating an action potential is known as a genera...

Q: Correlate cell injury with some pathologic conditions of the body like cancer, inflammation, and the...

A: The immune system is a network of organs that include cells that identify and eliminate invading thi...

Q: Situation: Serum calcium level starts to fall below normal amount; Body's response: The body stimula...

A: The calcium is the essential mineral in the body. It is found in bone and also in the blood. 

Q: Which of the following is not a tissue type found in the skin? -Stratified Squamous Epithelium -Loos...

A: The skin is the outer protective layer in our body that is consist of dermis and epidermis. If conta...

Q: Foramen of the Cranial Bones Write the letter of the structure that passes through each the foramen/...

A: The skull forms the cranial end of the axial skeleton, and it is composed of 22 bones. Out of 22 bon...

Q: identify A and B of the following animal dissection?

A: Animals are defined as a group of eukaryotic multicellular organisms where they contain many cells w...

Q: distinguish between bone as a tissue and as an organ;and

A: The cell is the fundamental unit of a living organism. Several cells combine to form a tissue. Then ...

Q: A 20 year-old male from Barangay Caritan Sur was visiting his cousins and friends in Carig, when he ...

A: Blood is the medium through which nutrients, gases, enzymes, hormones, etc. are transported througho...

Q: Describe the absolute and relative refractory periods.Relate them to the depolarization and repolari...

A: Neurons and other excitable cells in the body transmit electrical impulses from one location to anot...

Q: What is the difference between vellus hair and terminalhair?

A: Vellus hair are short and fine hair which are barely even noticeable, soft and are not pigmented. Th...

Q: The shape of the external ear is due toa. skeletal muscle.b. elastic cartilage.c. fibrocartilage.d. ...

A: The ear is a sensory organ in the body that is responsible for hearing.  It not only functions in he...

Q: 9. What are the characteristics of slow twitch oxidative, fast twitch oxidative-glycolytic and fast ...

A: Muscle fibers consist of a single muscle cell. They help control the body's internal energy. When th...

Q: If we traced the sensory pathways that carry Sarah’s thigh pain up to her brain, which cerebral lobe...

A: The brain is the control center of all bodily functions. All physiological processes, what we eat, w...

Q: 3 & 4. Identify the labelled structures: X- O,Y- and z-

A: We can say that The human brain serves as the operational center for the human sensory system. It ge...

Q: Mrs. Gallo's physician suspects that she is showing the initial signs of multiple sclerosis, a disea...

A: Note: You have posted multiple questions. We will solve the first question for you. If you want the ...

Q: describe the three most common forms of skin cancer; and

A: Cancer is a condition in which some of the body's cells proliferate and spread uncontrolled. One of ...

Q: Please I need help

A: Gland is a kind of organ which is responsible for releasing the chemical substance. 

Q: Does your data indicate a relationship between resting tonus and clench strength? Describe the relat...

A: EMG or electromyogram denotes the changes in muscle potential ( measured through the skin) due to mu...