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Vladimir79 [104]
3 years ago
12

Which part of a cell directs the work of the cell

Biology
2 answers:
creativ13 [48]3 years ago
8 0
The nucleus is what makes the cell do all of it's activities.
Katarina [22]3 years ago
3 0
The nucleus is like the blueprint of the cell which holds the dna that sends what each cell will do.( Nucleus )
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Which of the following statements about the genetic code is true?
Nezavi [6.7K]

Answer:

c. Some codons specify the same amino acid.

Explanation:

Codons are triplets of nucleotides in mRNA that is used for the protein synthesis (translation). A codon specifies a single amino acid, but there are exceptions. tRNA molecule contain anticodons, triplets of nucleotides that are complementary to codons. So, during the translation, tRNA carries the amino acid, that corresponds to  the codon in mRNA.

8 0
3 years ago
One of the first diagnostic tools used at the hospital was an electrocardiogram (EKG or ECG), which reflects the electrical acti
Ronch [10]

Answer:

  • The heart has an intrinsic conduction system that causes electrical activity in the heart muscles causing them to contract. The intrinsic conduction system is made up specialized cells, that contain nerve and muscular characteristics.
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Explanation:

7 0
3 years ago
Tropical rainforest, temperate deciduous forest, and boreal forest (also called the taiga)
lorasvet [3.4K]
<span>Characteristics that mentioned biomes have in common are:
- They are all forests, dominated by trees and other woody vegetation.
- They inhabit animal life with great microbial diversity.
- They all have big carbon sinks.

Still, trees different in a number of ways in these three biomes:
- </span><span>Tropical rainforest: Trees are evergreen and have large green leaves. Canopy is multilayered and dense, so there is a little light in the forests.
- </span><span>Temperate deciduous forest: Trees are deciduous, leaves are lost annually. Canopy is moderately dense, so there is more light than in tropical rainforests.
- </span><span>Boreal forest: Trees are evergreen conifers with needle-like leaves. Canopy is thick and permits low light penetration.</span>
3 0
3 years ago
Interphase must occur once before meiosis can happen. (Same thing for mitosis). What would happen if interphase didn’t occur fir
Olenka [21]
During interphase DNA is copied. So if there was no interphase, the new cells wouldn't have enough DNA.
7 0
2 years ago
Which statements apply to comets? Check all that apply.
lora16 [44]

Answer:

formed of ice, rock, and dust

develop tails near the Sun

Explanation:

Comet is a smaller celestial body which is mainly composed of ice and dust.

The other components of this comet are rocks and gas.

When any comet approaches a sun it can deliver a tail of dust or gas.

hope this will help you

5 0
3 years ago
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