47) A) <span>Metaphase
48) C) </span><span>manufacturing proteins
49) B) Sperm and Egg cells
Hope this helps!</span>
Answer:
<u>d. the cells in primary cell cultures do not divide.</u>
A key difference between primary cell cultures and secondary cell lines is that<u> the cells in primary cell cultures do not divide.</u>
<u>hope</u><u> </u><u>it</u><u> </u><u>helped</u><u> </u><u>you</u><u> </u>
Explanation:
<em>The main difference between primary and secondary cell culture is that the primary cell culture contains the cells directly obtained from host tissue, whereas the secondary cell culture contains sub-cultured cells from primary cell culture.</em>
Answer:
Explanation:
Mechanical advantage is given by the ratio of output force by input force.
= Output force = 
= Input force = 
So,
The mechanical advantage of the pulley's is .
Answer:
Just letting you know that the meaning of a vestigial structure
Explanation:
It is a structure that has no purpose. For ex. a pig's back toe has no purpose it's just there. It doesn't function
<h2><u>Let's start with a quick review!</u></h2><h3 /><h3><u><em>What is a prokaryotic cell?</em></u><em> Well, a prokaryotic cell is a type of cell that does not have a true nucleus or membrane-bound organelles. Organisms within the domains Bacteria and Archaea are based on the prokaryotic cell, while all other forms of life are eukaryotic. (G o o g l e gave me this.)</em></h3><h3><u><em>What is a eukaryotic cell? </em></u><em> Well, eukaryotic cells have a nucleus enclosed within the nuclear membrane and form large and complex organisms. Protozoa, fungi, plants, and animals all have eukaryotic cells. They are classified under the kingdom Eukaryota.</em></h3><h2><u><em>Now, I will answer your question.</em></u></h2><h3 /><h3><em>Cell membrane, Eukaryotic.</em></h3><h3><em>Nucleus, Eukaryotic.</em></h3><h3><em>Mitochondria, Eukaryotic.</em></h3><h3><em>Ribosomes, Both.</em></h3><h3><em>Endoplasmic reticulum, Eukaryotic.</em></h3><h3><em>Cytoplasm, Both.</em></h3><h3><em>Vacuole, Both.</em></h3><h3><em>Chloroplast, Eukaryotic.</em></h3>
<u>(Note, you may have to look the last one up)</u>
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