Entries by Hannah Wangui

1.Cardiac muscle cells can be branched. True False 2.All cardiac muscle cells are multinucleate. True False 3.Gap junctions prevent ions from being transported between cardiac muscle cells. True False 4.Desmosomes help to physically attach cardiac muscle cells to each other. 1.Cardiac muscle cells can be branched. True False 2.All cardiac muscle cells are multinucleate. True False 3.Gap junctions prevent ions from being transported between cardiac muscle cells. True False 4.Desmosomes help to physically attach cardiac muscle cells to each other. True False 5.Veins carry blood away from the heart. True False 6.The chamber located at the bottom (lower or inferior part) of the heart are called ventricles. True False 7.Which of the following structures are part of intercalated discs? Choose all that apply. Desmosomes Mitochondria Sarcomeres Gap junctions 8.Blood returning from the arms and head enters the heart through the __________________. Inferior vena cava Aortic arch Superior vena cava Pulmonary arteries True False 6.The chamber located at the bottom (lower or inferior part) of the heart are called ventricles. True False 7.Which of the following structures are part of intercalated discs? Choose all that apply. Desmosomes Mitochondria Sarcomeres Gap junctions 8.Blood returning from the arms and head enters the heart through the __________________. Inferior vena cava Aortic arch Superior vena cava Pulmonary arteries

August 19, 2019 in /by

1.Cardiac muscle cells can be branched.TrueFalse2.All cardiac muscle cells are multinucleate. True False 3.Gap junctions prevent ions from being transported between cardiac muscle cells.  True False 4.Desmosomes help to physically attach cardiac muscle cells to each other.  True False 5.Veins carry blood away from the heart.  True False 6.The chamber located at the bottom (lower or […]

 

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Match the definition with the correct term. Worth 1 point each. an individual muscle cell [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum a group of muscle cells within the belly of a muscle 2. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum plasma membrane of skeletal muscle cells 3. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum the cytoplasm of a skeletal muscle cell 4. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum C5.ontractile unit of a muscle cell that make a myofibirl 6.[ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum Modified endoplasmic reticulum that regulates calcium in the cell 7. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum Tubes continuous with the sarcolemma to increase surface area 8. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum The major component of a muscle cell (takes up the most intracellular volume) 9. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum Oxygen-binding protein in a muscle cell 10. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum Containing many nuclei (choose one

August 19, 2019 in /by

Match the definition with the correct term. Worth 1 point each.an individual muscle cell     [ Choose ]             sarcomere             fasicle             T (transverse) tubules             Myoglobin             sarcolemma             Myofilament             muscle fiber             Multi-nucleate             sarcoplasma   […]

 

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Match the definition with the correct term. Worth 1 point each. an individual muscle cell [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum a group of muscle cells within the belly of a muscle 2. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum plasma membrane of skeletal muscle cells 3. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum the cytoplasm of a skeletal muscle cell 4. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum C5.ontractile unit of a muscle cell that make a myofibirl 6.[ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum Modified endoplasmic reticulum that regulates calcium in the cell 7. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum Tubes continuous with the sarcolemma to increase surface area 8. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum The major component of a muscle cell (takes up the most intracellular volume) 9. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum Oxygen-binding protein in a muscle cell 10. [ Choose ] sarcomere fasicle T (transverse) tubules Myoglobin sarcolemma Myofilament muscle fiber Multi-nucleate sarcoplasma sarcoplasmic reticulum Containing many nuclei (choose one

August 19, 2019 in /by

Match the definition with the correct term. Worth 1 point each.an individual muscle cell     [ Choose ]             sarcomere             fasicle             T (transverse) tubules             Myoglobin             sarcolemma             Myofilament             muscle fiber             Multi-nucleate             sarcoplasma   […]

 

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Question 1.In a chemical synapse, the axon terminal of the presynaptic neuron is in direct contact with the dendrite of the postsynaptic neuron. TRUE OR FALSE 2.What molecules are located INSIDE synaptic vesicles? A. Calcium ions B.Neurotransmitters C. Phopholipids D. Sodium ions 3.In a resting (or unexcited) neuron, calcium is at a higher concentration ______________ of the cell. INSIDE OR OUTSIDE 4.What molecule DIRECTLY causes a vesicle to merge (or fuse) to the membrane of the presynaptic neuron? A.Sodium ion B.Potassium ion C.Calcium ion 5.Released neurotransmitters will travel through ion channels of the postsynaptic neuron and enter the cytoplasm of that cell. A.True B.False. TRUE OR FALSE 2.What molecules are located INSIDE synaptic vesicles? A. Calcium ions B.Neurotransmitters C. Phopholipids D. Sodium ions 3.In a resting (or unexcited) neuron, calcium is at a higher concentration ______________ of the cell. INSIDE OR OUTSIDE 4.What molecule DIRECTLY causes a vesicle to merge (or fuse) to the membrane of the presynaptic neuron? A.Sodium ion B.Potassium ion C.Calcium ion 5.Released neurotransmitters will travel through ion channels of the postsynaptic neuron and enter the cytoplasm of that cell. A.True B.False

August 19, 2019 in /by

Question 1.In a chemical synapse, the axon terminal of the presynaptic neuron is in direct contact with the dendrite of the postsynaptic neuron. TRUE OR FALSE 2.What molecules are located INSIDE synaptic vesicles? A. Calcium ions B.Neurotransmitters C. Phopholipids D. Sodium ions 3.In a resting (or unexcited) neuron, calcium is at a higher concentration ______________ […]

 

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