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OverLord2011 [107]
3 years ago
15

Parts that carry out specific jobs within a cell are

Biology
1 answer:
iogann1982 [59]3 years ago
6 0
All cells are specialized to for specific things. All cells receive their instructions from DNA. 
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After 1973, American scientists began to make serious efforts to develop technologies that
Ann [662]

Yes

Explanation:

Yes, because the embargo of 1973 showed how dependent we are on just one type of fuel, so it was necessary to start looking at different ways to create energy.

4 0
2 years ago
Saltwater fish constantly drink water but still excrete concentrated urine to compensate for the water loss. They also have gill
Dmitrij [34]

Answer:

The above paragraphs describes that how salt- and fresh-water fish regulates their osmoregulation. Hence, the correct answer would be c. have adapted to deal with osmosis.

Osmosis is the process by which solvent's molecule move from region of low concentration (hypo-tonic) to the region of high concentration (hyper-tonic) through a semi-permeable membrane.

In sea-water fishes, the body fluids are hypo-tonic to the surrounding water and thus water is kept moving out of their gills. In order to prevent the excess water loss they need to drink water constantly and excrete concentrated urine.

In contrast, fresh-water fishes body fluids are hyper-tonic to surrounding water and hence, water keeps entering in their body through gills. So, in order to prevent excess dilution they absorb salt from surrounding with the help of gills and also their bodies reabsorb salt from urine.

3 0
3 years ago
Read 2 more answers
.
Effectus [21]

Answer:

location, internal

5 0
3 years ago
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Which part of the cell holds genetic information in the molecule dna?
Elenna [48]

Answer:

The nucleus

Explanation:

It's the largest organelle in a cell and holds most of the genetic information

8 0
3 years ago
Natural selection is a process by which organisms that are better adapted to their environment tent to
bearhunter [10]

Answer:

breed, while the ones not so well adapted die off.

5 0
3 years ago
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