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Svetlanka [38]
4 years ago
7

Which cell in the human body has no nucleus

Biology
1 answer:
attashe74 [19]4 years ago
6 0

Answer:

red blood cells

Explanation:

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What is a point mutation?
Veronika [31]

Answer:

A) A single base pair change.

Explanation:

Point mutation is a change in a single base pair of a nucleotide. This comes as a results of mistakes made during DNA replication, induced by ultravoilet radiations, extreme heat and X-rays. There are three types of point or substitution mutations; change, deletion and insertion. The nucleotide bases are either mistakenly inserted, changed or deleted, thus changing the resulting protein or amino acid being coded for.

3 0
4 years ago
Which excersise involves abrupt explosive movement
RoseWind [281]
I would say maybe dance? Because in Hip Hop there are very sharp and abrupt movements.
Hope this helped! :-)
4 0
3 years ago
Which zone in the ocean is the most challenging to survive in?
trasher [3.6K]

Answer:

The Bathyal zone is the hardest to survive in.

Explanation:

Technically, the entire ocean is difficult to survive in. There's no oxygen and lots of scary ocean predators.

But the Bathyal zone, which is 1000 - 4000 meters below the surface of the ocean has no sunlight, making most of the sea creatures there have no eyes. Because this zone is so dark, with little food to survive in, fish don't hang out here.

(I suggest just staying home)

6 0
2 years ago
Muscle contraction that results in a change in joint angle is called
Alex_Xolod [135]
Muscle contraction that results in a change in joint angle is called <span>concentric contraction.
This contraction occurs when enough force that can overcome the resistance applied is developed by the muscle where this force developed is larger than the force of the resistance applied.</span>
6 0
3 years ago
Which characteristic is seen in whales, but not in phytoplankton (Cell Wall, Heterotrophic, Unicellular, or Prokaryotic?)
alexandr1967 [171]
Heterotrophic. Only plants have cell walls, so that goes to phytoplankton, andwhales have thousands of cells, so unicellular goes to plankton again. Mammals aren't prokaryotic, so we're left with heterotrophic.
6 0
3 years ago
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