The plasma membrane of the sea urchin egg has receptor molecules that are specific for binding acrosomal proteins .
<h3>What is plasma membrane ?</h3>
Plasma membrane is the outermost covering of the body which selectively permits the entry and exit of different type of materials .
Thus ,it is also called as selectively permeable membrane.it also separates the inner and outer environment of the cell .
It also helps in the diffusion process .
<h3>What are sea urchins ?</h3>
Sea urchins belongs to the animalia kingdom , Echinodermata Phylum, and Echinoidea class . they are small marine animals .Sea urchins are spiny , globular .
Learn more about sea urchins here :
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Answer:
The metamorphic rock.
Explanation:
The metamorphic rock went under heat and pressure before being sandwiched in silt to become part of sedimentary rock. Think of it like the McFlurry. You've got to bake the Oreo before adding it to the ice cream.
Answer:
ecology =environmental scientist
geology=Rock analyst for plate movement
zoology=veterinarian
biology =researcher of diseases
astronomy=astronaut
<span>If a patients has an upper respiratory infection reports using over-the-counter cold preparations then the primary care should advise this patient to use Antipyretics. Because cold preparations often contain antipyretics such as acetaminophen or aspirin. Patients should be cautioned about taking additional antipyretics to avoid overdose.</span>
<span> They are non-flowering, and typically aquatic plant of a large assemblage.</span>