Name the two important proteins due to which striated appearance is seen in myofibril

Name the two important proteins due to which striated appearance is seen in myofibril
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Name the two important proteins due to which striated appearance is seen in myofibril
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The functional unit of contractile system in striated muscle is (a) sarcomere (b) Z-band (c) cross bridges (d) myofibril.

Description : The functional unit of contractile system in striated muscle is (a) sarcomere (b) Z-band (c) cross bridges (d) myofibril.

Last Answer : (a) sarcomere

The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent

Description : The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent

Last Answer : spontaneous muscle contraction

The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent

Description : The following are true about the smooth muscle cells: a. presence of a striated appearance b. do not contain actin and myosin c. spontaneous muscle contraction d. mitochondria are absent

Last Answer : spontaneous muscle contraction

Myosin bridges can be prevented from combining actin by two regulator proteins in resting muscle by (a) troponin (b) myofibril (c) troponin and tropomyosin (d) natural inhibiting proteins

Description : Myosin bridges can be prevented from combining actin by two regulator proteins in resting muscle by (a) troponin (b) myofibril (c) troponin and tropomyosin (d) natural inhibiting proteins

Last Answer : Ans:(c)

Which one of the following pairs of chemical substances, is correctly categorised? (a) Calcitonin and thymosin - Thyroid hormones (b) Pepsin and prolactin - Two digestive enzymes secreted in stomach (c) Troponin and myosin - Complex proteins in striated muscles (d) Secretin and rhodopsin - Polypeptide hormones

Description : Which one of the following pairs of chemical substances, is correctly categorised? (a) Calcitonin and thymosin - Thyroid hormones (b) Pepsin and prolactin - Two digestive enzymes secreted in ... and myosin - Complex proteins in striated muscles (d) Secretin and rhodopsin - Polypeptide hormones

Last Answer : (c) Troponin and myosin - Complex proteins in striated muscles

Myosin is one of two proteins that make up the myofibrils of striated muscles. Name the other protein.

Description : Myosin is one of two proteins that make up the myofibrils of striated muscles. Name the other protein.

Last Answer : ANSWER: Actin

The distance or length of the myofibril between two adjacent z-bands is called

Description : The distance or length of the myofibril between two adjacent z-bands is called

Last Answer : The distance or length of the myofibril between two adjacent z-bands is called

Each myofibril has a diameter of

Description : Each myofibril has a diameter of

Last Answer : Each myofibril has a diameter of A. `1-2 mm` B. `0.1-0.2 mm` C. `0.001 - 0.002 mm` D. None of the above

The contractile unit of muscle is a part of myofibril be- tween

Description : The contractile unit of muscle is a part of myofibril be- tween

Last Answer : The contractile unit of muscle is a part of myofibril be- tween A. Z line and I band B. Z line and Z line C. Z line and A band D. A band and I band

The segment of a myofibril that is called a sarcomere runs from (a) one Z-line to the next Z-line (b) one A-band to the next A-band (c) one H-zone to the next H-zone (d) one end of a skeletal muscle to the opposite end

Description : The segment of a myofibril that is called a sarcomere runs from (a) one Z-line to the next Z-line (b) one A-band to the next A-band (c) one H-zone to the next H-zone (d) one end of a skeletal muscle to the opposite end

Last Answer : Ans:(a)

Stimulation of a muscle fibre by a motor neuron occurs at (a) the neuro-muscular junction (b) the transverse tubules (c) the myofibril (d) the sacroplasmic reticulum.

Description : Stimulation of a muscle fibre by a motor neuron occurs at (a) the neuro-muscular junction (b) the transverse tubules (c) the myofibril (d) the sacroplasmic reticulum.

Last Answer : (a) the neuro-muscular junction

List any two differences between striated and cardiac muscle with respect to their structure and location. -Biology 9th

Description : List any two differences between striated and cardiac muscle with respect to their structure and location. -Biology 9th

Last Answer : Difference between striated, unstriated and cardiac muscles Striated muscles Unstriated muscles Cardiac musclesStructure Also known as skeletal muscles, they are striated, tubular, multinucleated, unbranched and tubular ... are found in walls of internal organs.They are found in walls of heart.

Briefly describe striated and smooth muscles with their functions. -Biology 9th

Description : Briefly describe striated and smooth muscles with their functions. -Biology 9th

Last Answer : Striated muscles provide the force for locomotion and all other voluntary movements of the body. The smooth muscles are also known as unstriated or involuntary muscles. Smooth muscles occur as bundles ... fusiform or spindle-shaped cells or fibres. They are held together by loose connective tissue.

Briefly describe striated and smooth muscles with their functions. -Biology 9th

Description : Briefly describe striated and smooth muscles with their functions. -Biology 9th

Last Answer : answer:

Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :-

Description : Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :-

Last Answer : Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :- A. Epimysium B. Perimysium C. Exomysium D. Endomysium

During contraction and relaxation of striated muscle fibre the length of A band usually :-

Description : During contraction and relaxation of striated muscle fibre the length of A band usually :-

Last Answer : During contraction and relaxation of striated muscle fibre the length of A band usually :- A. ... . Increases C. Decreases D. Decreases too much

Which of the following statements about the striated muscles is ture ? In the centre of each I-Band is an elastic fiber(Z-line ) which bisects it M-li

Description : Which of the following statements about the striated muscles is ture ? In the centre of each I-Band is an elastic fiber(Z-line ) which bisects it M-li

Last Answer : Which of the following statements about the striated muscles is ture ? In the centre of each I-Band is an elastic ... C. `i and iii` D. `i and ii`

Are smooth muscles striated yes or No?

Description : Are smooth muscles striated yes or No?

Last Answer : What is the answer ?

The hydrolysis of Glucose-6-phosphate is catalysed by a specific phosphatase which is found only in (A) Liver, intestines and kidneys (B) Brain, spleen and adrenals (C) Striated muscle (D) Plasma

Description : The hydrolysis of Glucose-6-phosphate is catalysed by a specific phosphatase which is found only in (A) Liver, intestines and kidneys (B) Brain, spleen and adrenals (C) Striated muscle (D) Plasma

Last Answer : A

The type of muscle present in our (a) heart is involuntary and unstriated smooth muscle (b) intestine is striated and involuntary (c) thigh is striated and voluntary (d) upper arm is smooth muscle and fusiform in shape.

Description : The type of muscle present in our (a) heart is involuntary and unstriated smooth muscle (b) intestine is striated and involuntary (c) thigh is striated and voluntary (d) upper arm is smooth muscle and fusiform in shape.

Last Answer : (c) thigh is striated and voluntary

Characteristics of smooth muscle fibres are (a) spindle-shaped, unbranched, nonstriated, uninucleate and involuntary (b) spindle-shaped, unbranched, unstriped, multinucleate and involuntary (c) cylindrical, unbranched, unstriped, multinucleate and involuntary (d) cylindrical, unbranched, striated, multinucleate and voluntary.

Description : Characteristics of smooth muscle fibres are (a) spindle-shaped, unbranched, nonstriated, uninucleate and involuntary (b) spindle-shaped, unbranched, unstriped, multinucleate and involuntary (c ... , multinucleate and involuntary (d) cylindrical, unbranched, striated, multinucleate and voluntary.

Last Answer : (a) spindle-shaped, unbranched, nonstriated, uninucleate and involuntary

Which one of the following contains the largest quantity of extracellular material? (a) Striated muscle (b) Areolar tissue (c) Stratified epithelium (d) Myelinated nerve fibres

Description : Which one of the following contains the largest quantity of extracellular material? (a) Striated muscle (b) Areolar tissue (c) Stratified epithelium (d) Myelinated nerve fibres

Last Answer : (b) Areolar tissue

Identify the tissue shown in the diagram and match with its characteristics and its location. (a) Smooth muscles, show branching, found in the wall of the heart(b) Cardiac muscles, unbranched muscles, found in the walls of the heart (c) Striated muscles, tapering at both-ends, attached with the bones of the ribs (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Description : Identify the tissue shown in the diagram and match with its characteristics and its location. (a) Smooth muscles, show branching, found in the wall of the heart (b) Cardiac muscles, unbranched ... the ribs (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Last Answer : (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Smooth muscles are (a) involuntary, fusiform, non-striated (b) voluntary, multinucleate, cylindrical(c) involuntary, cylindrical, striated (d) voluntary, spindle-shaped, uninucleate.

Description : Smooth muscles are (a) involuntary, fusiform, non-striated (b) voluntary, multinucleate, cylindrical (c) involuntary, cylindrical, striated (d) voluntary, spindle-shaped, uninucleate.

Last Answer : (a) involuntary, fusiform, non-striated

(CBSE 2011): Aditi observed following observations while looking into a permanent slide. (i) Cells are long and cylindrical (ii) Light and dark bands are present. It could be a slide of : (a) striated muscle fibre (b) smooth muscle fibre (c) neuron (d) parenchyma cells

Description : (CBSE 2011): Aditi observed following observations while looking into a permanent slide. (i) Cells are long and cylindrical (ii) Light and dark bands are present. It could be a slide of : (a) striated muscle fibre (b) smooth muscle fibre (c) neuron (d) parenchyma cells

Last Answer : (a) striated muscle fibre

.Which of the following states BEST the morphology of periodontal ligament fibres: A. Elastic B. Striated C. Non striated D. Levity E. Wavy

Description : .Which of the following states BEST the morphology of periodontal ligament fibres: A. Elastic B. Striated C. Non striated D. Levity E. Wavy

Last Answer : E. Wavy

Which of the following is an example of striated tissue? a) muscle b) nervous c) epithelial (pron: ep-a-THEE-lee-al) d) connective

Description : Which of the following is an example of striated tissue? a) muscle b) nervous c) epithelial (pron: ep-a-THEE-lee-al) d) connective

Last Answer : ANSWER: A -- MUSCLE

The muscle which is under involuntary control is: a) striated b) smooth c) skeletal

Description : The muscle which is under involuntary control is: a) striated b) smooth c) skeletal

Last Answer : ANSWER: B -- SMOOTH

Which of the following statement(s) is/are true concerning the proliferative phase of wound healing? a. The macrophage is the predominant cell type b. The pink or purple-red appearance of a wound is due to ingrowth and proliferation of endothelial cells c. Collagen, the dominant structural molecule of the wound matrix, contains two unique amino acids, hydroxyproline and hydroxylysine d. The predominant collagen type in a scar is type 3

Description : Which of the following statement(s) is/are true concerning the proliferative phase of wound healing? a. The macrophage is the predominant cell type b. The pink or purple-red appearance of a wound ... amino acids, hydroxyproline and hydroxylysine d. The predominant collagen type in a scar is type 3

Last Answer : Answer: b, c The proliferative phase of wound healing begins with the formation of a provisional matrix of fibrin and fibronectin as part of the initial clot formation. Initially, the provisional ... The principal collagen type scar is type 1, with lesser amounts of type 3 collagen also present

The appearance of alubumin in the urine is most likely due to `:`

Description : The appearance of alubumin in the urine is most likely due to `:`

Last Answer : The appearance of alubumin in the urine is most likely due to `:` A. Increase in ... corpuscles D. Damage to the proximal convoluted tubules

Water soaked appearance of leaves due to sulphur dioxide pollution is caused by

Description : Water soaked appearance of leaves due to sulphur dioxide pollution is caused by

Last Answer : Water soaked appearance of leaves due to sulphur dioxide pollution is caused by A. Destruction of ... A and B D. Corrosive action over metals.

The appearance of alubumin in the urine is most likely due to `:`

Description : The appearance of alubumin in the urine is most likely due to `:`

Last Answer : The appearance of alubumin in the urine is most likely due to `:` A. Increase in ... corpuscles D. Damage to the proximal convoluted tubules

In the case of peppered moth (Biston betularia) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of (a) appearance of the darker coloured individuals due to very poor sunlight (b) protective mimicry (c) inheritance of darker colour character acquired due to the darker environment (d) natural selection whereby the darker forms were selected.

Description : In the case of peppered moth (Biston betularia) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of (a) ... acquired due to the darker environment (d) natural selection whereby the darker forms were selected.

Last Answer : (d) natural selection whereby the darker forms were selected.

Fan like appearance of coconut leaves is due to a. Mites b. Rhinoceros beetle c. Jassids d. Aphids

Description : Fan like appearance of coconut leaves is due to a. Mites b. Rhinoceros beetle c. Jassids d. Aphids

Last Answer : b. Rhinoceros beetle

Fan like appearance of coconut leaves is due to a. Mites b. Rhinoceros beetle c. Jassids d. Aphids

Description : Fan like appearance of coconut leaves is due to a. Mites b. Rhinoceros beetle c. Jassids d. Aphids

Last Answer : b. Rhinoceros beetle

A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell proteins due to structural limitations (c) Allows many antigens on the surface for identification of self and non-self (d) Provides for better structural support to cope with external physical pressure

Description : A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell ... self and non-self (d) Provides for better structural support to cope with external physical pressure

Last Answer : Ans:(a)

Is physical appearance important to you?

Description : Is physical appearance important to you?

Last Answer : Physical appearance is a factor, if we're talking about choosing partners. There are some physical traits that attract me but because physical appearance is not really all that important, I've been with lots of ... I didn't have so many issues but having grown up in this society, it is no wonder.

Do you think appearance was more important in the “old days”?

Description : Do you think appearance was more important in the “old days”?

Last Answer : answer:I grew up in what I now realise was a not very well off family on the edge of wonderful countryside. We were expected to look smart when required but as we spent much of our day climbing ... to look good, is a reflection of our inner souls. But there are other ways to express ourselves.

How important to you is the appearance of your feet and that of others?

Description : How important to you is the appearance of your feet and that of others?

Last Answer : Moderately. What is strange is that their appearance is both more and less important than it used to be. I never thought about this before! I hated my feet when I was young. They were wide and ... . I get pedicures and keep the nails polished during the summer and keep them soft during the winter.

Is appearance more important than substance.

Description : Is appearance more important than substance.

Last Answer : answer:I like a quote by Jeffrey Zeldman which is kind of along these lines; Content precedes design. Design in the absence of content is not design, it's decoration. Although design-oriented, I think that can ... but it's what's inside that counts. Don't judge a book by it's cover, etc, etc.

Why is the appearance of the cover pass so so important in welding?

Description : Why is the appearance of the cover pass so so important in welding?

Last Answer : What is the answer ?

Why is clothing an especially important aspect of physical appearance?

Description : Why is clothing an especially important aspect of physical appearance?

Last Answer : What is the answer ?

The most important food appearance factor is ____. a. color c. shape b. size d. packaging

Description : The most important food appearance factor is ____. a. color c. shape b. size d. packaging

Last Answer : a. color

Leucine zipper motif is seen in some helical proteins when leucine residues appear at every (A) 3rd position (B) 5th position (C) 7th position (D) 9th position

Description : Leucine zipper motif is seen in some helical proteins when leucine residues appear at every (A) 3rd position (B) 5th position (C) 7th position (D) 9th position

Last Answer : Answer : C