Answer: T; F; T; T; Ques tion 3. Join now. (a) Unicellular organisms have one-celled body. (T/F) Ans. 3.Gap junctions prevent ions from being transported between cardiac muscle cells. Muscle cells can be up to 30 cm long. Each skeletal muscle consists of hundreds — or even thousands — of skeletal muscle fibers, which are long, string-like cells. Myofibrils lie at right angles to the longitudinal axis of the muscle cell producing the striations that can be seen within the cell. True 13. All cardiac muscle cells are multinucleate. the muscle fiber: Term. Cardiac muscle fibers are around 100-200um um long, branch, ... Creatine phosphate and ATP only supply about 20-30 seconds of energy for smooth muscle cells. Chloroplasts are found in plant cells only because chloroplasts contain chlorophyll which is essential for photosynthesis. False. State whether the following statements are true or false. The chamber located at the bottom (lower or inferior part) of the heart are called ventricles. This may occur when your muscle cells use lactic acid fermentation to provide ATP for energy. Multi-unit smooth muscle cells contain fewer gap junctions, and are innervated individually. Copyright © 2020 Pathfinder Publishing Pvt Ltd. Indicate whether the following statements are True (T) or False (F). b. True. 4. 23. True False: 2. Question 2. (b) Muscle cells are branched. 1) A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate. two They are compounds that have the same molecular formula but the atoms are joined together in a different order. A muscle cell is also called a _____. Most of the metabolic activities occur inside cytoplasm. (a) Unicellular organisms have one-celled body. The length of a cardiac muscle is usually 15 … There are two specialized forms of myocytes with distinct properties: cardiac, and smooth muscle cells. Log in. The near vision of an average person is 25cm. True. True. true or false Smooth muscle cells are uninucleate. True b. True False 2.All cardiac muscle cells are multinucleate. (T/F)-a-Muscle cells are spindle in shape.They are not branched.So,False-ea-(c) The basic livin True. 1. An unsymmetrical double convex thin lens forms the image of a point object on its axis. c. The basic living unit of an organism is an organ. Question 4. (true or false) false 6 Peristalsis is characteristic of smooth muscle. On the other hand, skeletal muscles are formed by morphological units referred to as muscle fibers. Desmosomes help to physically attach cardiac muscle cells to each other. True. Muscle tissue is of three types- Striated muscle, Cardiac muscle, Smooth muscle. Indicate whether the following statements are True (T) or False (F). The myocardium receives its blood supply from the coronary arteries. Plants are autotrophic. When it comes to building muscle and a low body fat percentage, the data on the market today can be very confusing and misleading. A. Make sketches of animal and plant cells. Question 5. 1. As shown in Figure \(\PageIndex{6}\), skeletal muscle fibers are individually wrapped in connective tissue called endomysium.The skeletal muscle fibers are bundled together in units called muscle fascicles, surrounded by sheaths of … Write 'T' if the statement is true and 'F' if the statement is false. True False. All basic functions for the organism survival take place inside cells. True False: Hormones are defined as chemical substances secreted into synapses by neurons to deliver messages True These carry genes and help in inheritance or transfer of characters from the parents to the offspring. 14. 8. Top Answer. It is an important component of the living cell. The basic living unit of an organism is an organ. True or false: contraction … 5.Veins carry blood away from the heart. Muscle Tissue. Cells that can renew themselves continuously. The intrinsic ability of visceral smooth muscle to exhibit the stress-relaxation response is termed plasticity. Click here to get an answer to your question ️ Muscle cells in the mammalian heart are multinucleate. This results in a wave of contractions of your cardiac muscle, which creates your heartbeat. Click hereto get an answer to your question ️ State whether the following statements are true or false.Intercalated discs make up striations in the skeletal muscle. Write short notes on the following: (a) Cytoplasm (b) Nucleus of a cell. True/False Quiz. 1. True . The cell wall is made of a non-living material known as: (a) chromosome (b) nucleic acid (c) cellulose (d) protoplasm. what is the sarcolemma? True or false? True. what is the sarcoplasm? True. Indicate whether the following statements are True (T) or False (F): (a) Unicellular organisms have one-celled body. (b) Muscle cells are branched. The cells are long and slender so they are sometimes called muscle fibers, and these are usually arranged in bundles or layers that are surrounded by connective tissue. b. False c. The basic living unit of an organism is an organ. (T/F), (a) Unicellular organisms have one-celled body. Indicate whether the following statements are True (T) or False (F). False . (a) Unicellular organisms have one-celled body. False d. Amoeba has irregular shape. (b) Muscle cells are branched. True. 8. Ch. The painful sensation is useful if it gets you to stop overworking your muscles and allow them a recovery period during which cells can eliminate the lactic acid. 9. True. 1. A) Smooth muscle, in contrast to skeletal muscle, cannot synthesize or secrete any connective tissue elements. Definition. TRUE: 127. Indicate whether the following statements are True (T) or False (F). Concept insight: Recall different shapes of cells. State the difference between eukaryotes and prokaryotes. 13. 4.Desmosomes help to physically attach cardiac muscle cells to each other. False. Answer: (a) True, unicellular organisms (single celled organisms) are made up of only one cell. 3.Gap junctions prevent ions from being transported between cardiac muscle cells. A description of these can be found here.. Cardiac cells are special, amongst the muscle types, because they are connected to each other by intercalated discs - structures that are only found in cardiac muscle cells. Muscle cells are filled with specialized proteins that allow for contraction to occur. Please remember to JUSTIFY your Falses. Cardiac muscle cells can be branched. True 12. TRUE: 125. True. 12. False. Muscle Cells Are Branched. In muscle cells, the thin filament is myosin and the thick filament is actin. Explain why chloroplasts are found only in plant cells? True False: 6. Explain. 19. Question 2: Make a sketch of the human nerve cell. Make a sketch of the human nerve cell. Chromosomes are found in the nucleus of the cell. another muscle) pulls on the muscle fibre, then it ca also extend. 124. Answer to: State True or False and justify your answer: Cardiac muscle cells can be branched. False. (T/F) (d) Amoeba has irregular shape. Muscle cells are branched or not. (T/F), (c) The basic living unit of an organism is an organ. 3. False. 10. False. (a) Unicellular organisms have one-celled body. That’s a great question. Cardiac muscle cells have an irregular, branched appearance that are shorter than the longer, cylindrical cells found in skeletal muscle tissue, and different from the fusiform shape of smooth muscle. What function do nerve cells perform? False. (T/F) (d) Amoeba has irregular shape. The three types of muscle are cardiac, smooth and skeletal. TRUE OR FALSE... 5. D. It is generally spherical and located in the centre of the cell. Skeletal muscle cells are mainly multinucleated because they are larger and are formed as a result of the fusion of muscle fibers. Indicate whether the following statements are True or False. The nerve cells receive and transfer messages (i mpulses), thereby helping to control and coordinate the working of different parts of the body. There are 3 types of muscle cells in the human body; cardiac, skeletal, and smooth. False. True False. (i) and (iii) both. t. 4. Muscle cells are branched. True. Actin and myosin are … True. True 2.Make a sketch of the human nerve cell. Nerves made up of nerve cells take … Muscle tissue that contracts without conscious control, having the form of thin layers or sheets made up of spindle-shaped, unstriated cells with single... Unstriated muscle - definition of unstriated muscle by The Free Dictionary Ex: blood, muscle, skin cells. There are several kinds of cell-cell junctions. ... To which of category of muscular tissues, do spindle shaped, un-branched and uni-nucleated cells belong to? True b. Answer: Nerve cells carry signals between organs and brain. Expert Answer . (T/F) (c) The basic living unit of an organism is an organ. Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell. Exercise, good posture, and having a healthy diet are ways of keeping the skeletal system healthy. During alcoholic fermentation, lactic acid can accumulate in muscle cells. True . Chapter 23 True or False. The bones of your cranium protect your heart and lungs. State whether the following statements are true or false (a) Unicellular organisms have a one-celled body. They are un-branched. (T/F) (b) Muscle cells are branched. If some external force (e.g. 1.Cardiac muscle cells can be branched. 2. Question 30. false. Mention the cardiac muscle’s specific function. False c. The basic living unit of an organism is an organ. 2. Answer False – The smallest book in 2008 measured 2.4 x 2.9 mm and was presented in a wooden box with a magnifying glass. The pharynx is located behind the oral cavity and between the nasal cavity and larynx. Answer: A skeletal muscle cell (myofiber) consists of multiple myofibrils. Muscle cells can be contracted or extended, however their intrinsic response is only contraction. Cardiac cells. True or false The simplest tissue is epithelial tissue. A myocyte (also known as a muscle cell) is the type of cell found in some types of muscle tissue.Myocytes develop from myoblasts to form muscles in a process known as myogenesis. True. (a) True (b) False (c) False (d) True. 26. B. All living organisms are made of cells. Some muscle cells are multinucleated. Answer. Hypotonia is the INCREASE of muscle tone, while Hypertonia is the DECREASE of muscle tone. 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