<span>A cell with a large surface area or with microvilli (which increase surface area) are specialized for absorption. Many cells have different protein markers on their surface to accept certain specific hormones and allow them into the cell, like muscle cells reacting to adrenaline. Muscle cells are long and able to contract, allowing for overall muscle contraction and body movement. </span>
<span>I guess the hormone part I mentioned applies to chemicals; endocrine cells produce hormones that other cells would not. </span>
<span>For organelles, muscle cells don't have many of the organelles that other cells do because of their very specialized functions. </span>
<span>I hope this helps, it would literally take volumes of text books to answer this question completely.</span>
Answer:
plants For example, phototropism is the plant's response to stimulus, i.e. sunlight. A plant hormone “auxin” keeps the plant's direction towards the sun by activating the growth in a particular part of a stem. Similarly, gravitropism in plants responds to the stimulus, i.e. gravity
Explanation:
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<h3><u>Answer;</u></h3>
Coelom
Animals with 3 issue layers may be characterized by the presence or absence of a <u>Coelom</u>.
<h3><u>Explanation</u>;</h3>
- Animals may be characterized by the presence of a coelom, formation of the mouth, and type of cell cleavage during embryonic development.
- Diploblasts contain two germ layers that is the inner endoderm and outer ectoderm, while triploblasts contain three germ layers, that is; endoderm, mesoderm, and ectoderm.
- <em><u>Triploblasts can be further categorized into those without a coelom called acoelomates, those with a true coelom called eucoelomates, and those with “false” coeloms known as pseudocoelomates.</u></em>
Answer:
1) A nucleotide consists of a single sugar, a phosphate, and a nitrogen-containing base.
2) The monomer units of DNA are nucleotides, and the polymer is known as a "polynucleotide. Nucleotides don't have polymers because they are monomers.
3) They carry the genetic blueprint of a cell and carry instructions for the functioning of the cell. The two main types of nucleic acids are DNA and RNA.
Explanation:
hope this helps!
