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Vlada [557]
3 years ago
8

​____ allow bacteria to join together to transfer genes.

Biology
1 answer:
anzhelika [568]3 years ago
7 0
The answer is pilus. This structure joins two bacteria of same species and allow exchange of genetic material in a process called horizontal gene transfer (conjugation). The plasmid of one of the bacteria (the mobile plasmid) is nicked once and the strand moves through the pillus to the other bacteria. It combines with the other plasmid or chromosome to for recombinant dna.
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Why do plant cells need a cell wall and chloroplasts but animal cells do not?
mylen [45]

Answer:

Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . ... So animal cells can have various shapes, but plant cells only have the shapes of their cell walls.

Explanation:

Thats because Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . ... So animal cells can have various shapes, but plant cells only have the shapes of their cell walls.

3 0
3 years ago
The development of specialized tissues and organs in a multicellular organism's embryo occurs as a result of
Artemon [7]
For the answer to the question above,
the development of specialized tissues and organs in a multicellular organism's embryo occurs as a result of "<u><em>differentiation</em></u>"

It is the <span>process where a cell changes from one cell type to another.</span>
4 0
3 years ago
Draw a diagram of a roller coaster and write a paragraph relating the ride to
sdas [7]

Answer:

ratio then sadly 2+2=4-1=3 :)

Explanation:

8 0
2 years ago
The predatory bacterium, Bdellovibrio bacteriophorus, drills into a prey bacterium and, once inside, digests it. In an attack up
lisov135 [29]

Answer:

1.capsule

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3.membrane composed mostly of phospholipids

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Explanation:

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6 0
3 years ago
A muskrat population is growing exponentially. What might cause this population to enter logistic growth?
QveST [7]
What might cause this population to enter logistic growth? resources become scarce birth rate increases emigration decreases carrying capacity is increased.
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