Viruses are not considered living organisms because they lack some of the basic characteristics of life.
The cell is described as the smallest unit of life. Since viruses are <u>not alive</u>, we can infer that they <u>do not </u>contain one or more cells. <u>Viruses </u>have a <u>protective</u> <u>protein coat</u>, which can be considered a defined boundary.
Viruses are not capable of producing or using their own energy. They only activate when they come into contact with a host cell and <u>then use the host cell's energy. </u>
As per the pattern, viruses<u> </u><u>do not have</u> internal organization nor metabolic processes which would allow for growth, therefore, viruses do not grow nor do they produce waste in any form.
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Explanation:
During endocytosis large cells, particles, and cell fragments moved across the plasma membrane through a process of invagination; part of the external cell membrane folds into itself and creates a small pocket that surrounds the target molecule, this breaks off from the membrane to form an intracellular vesicle.
Specific endocytosis processes, such as phagocytosis, pinocytosis, and endocytosis are regulated by receptors-they take in cells, fluids, and specific compounds respectively. During phagocytosis, cells absorb large particles in cell compartments called phagosomes, after which specifically enzyme-containing lysosomes break them down.
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Answer:
Most cone-bearing plants are evergreen with needle-like leaves.
Conifers never have flowers but produce seeds in cones.
Examples include pine, spruce, juniper, redwood, and cedar trees.
Explanation:
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Answer:
They are similar because they both produce energy but in two different forms.
Photosynthesis- It produces oxygen and G3P, simple carbohydrate molecules that are high in energy and can be converted into glucose, sucrose, or other sugar molecules.
cellular respiration-During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water.
Answer:
Bark
Explanation:
The scales on the fish serves as protection for the fish. And the tree bark serves as protection for the tree.