Which of the following tissues is striated, contains cells with one nucleus each

Question

Which of the following tissues is striated, contains cells with one nucleus each, and is NOT under voluntary control? A. skeletal muscle B. smooth muscle C. cardiac muscle D. nervous tissue Which of the following organelles would only be found within a cell that was both eukaryotic and autotrophic? A. mitochondria B. ribosomes. C. chloroplast D. rough endoplasmic reticulum Water rises from the roots to the tops of very tall trees. Which of the following would explain the movement of the water? A. water is a solvent for many hydrophobic molecules B. cohesion of water molecules C, adhesion of water molecules D. both B and C Which of these statements is NOT true about DNA? A. it contains the sugar glucose B. it is the genetic material of the cell C. it forms a double helix D. adenine pairs with thymine and guanine pairs with cytosine Which is the best definition of active transport? A movement of molecules from an area of their higher concentration to an area of their lower concentration B. movement of water across a semipermeable membrane from an area of high water concentration to an area of lower water concentration C. movement of a substance against its concentration through the release of energy from D. none of the above defines active transport Food is prevented from entering the trachea by the: A. pharynx B, larynx C. epiglottis D, glottis E. sphincter muscle Which statement is NOT true about the human nervous system A The somatic nervous system controls skeletal muscles B. The central nervous system consists of the brain and spinal cord C. The somatic nervous system is part of the peripheral nervous system D. The autonomic nervous system controls glands and smooth muscles E. All of these are true

Explanation / Answer

41) The striated tissues containing one nucleus and not voluntary is Cardiac Muscles.

The cardiac muscles surround the heart. They are involuntary in nature. The cardiac muscles consist of cardiomyocytes. They coordinate the contraction and relaxation of the heart muscle.

42) The organelles that are found in both eukaryotic and autotrophic is chloroplast.

All the autotrophs have chloroplasts and the main role of chloroplasts is to conduct photosynthesis, where the photosynthetic pigment chlorophyll captures the energy from sunlight and converts it and stores it in the energy-storage molecules ATP and NADPH.

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