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Neporo4naja [7]
3 years ago
10

Regions of similar ecosystems are called

Biology
1 answer:
daser333 [38]3 years ago
5 0
Biome

a complex biotic community characterized by distinctive plant and animal species and maintained under climatic conditions of the region, especially such as a community that has developed to climax.
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Sean wants to know the effects of seawater on plant growth.<br> What is the dependent variable?
GrogVix [38]
The answer is the plant growth, because the dependent variable is what responds to the independent variable. 
5 0
3 years ago
Drag each label to the correct location on the diagram.
algol13

Diagram found elsewhere attached

Answer:

Clockwise from bottom

3. formation of mRNA in the nucleus

6. secretion of hormone  by tissue

4. initiation of DNA  replication because  of a signal given  by the hormone

2. synthesis of protein  molecule by mRNA  and tRNA

1. secretion of protein  by the cell

5. binding of the  hormone molecule  with its receptor  of the cell

Explanation:

The tissue in the top left releases a hormone. For example, a steroid hormone such as estrogen, which can impact gene expression at the level of transcription. This hormone then travels to a different cell to carry out its function. The hormone is able to enter the cell and binds receptors which recognise it. In this case, these receptors are present in the nuclear envelope. When the hormone has bound the receptor, it initiates a signalling cascade that the cell responds to.

In this case, the effect of the signal from the hormone is to initiate DNA replication. This is a common effect of hormones such as growth factors that signal the cells to proliferate.

The initiation of the signalling can  also affect how genes are expressed. In this case, an mRNA is produced in the nucleus, which is created as a result of transcription. This mRNA molecule then moves to the cytoplasm, where it becomes translated into a polypeptide sequence at a ribosome, with the help from transfer RNAs (tRNAs).

This polypeptide forms a mature protein by progressive folding and potential modifications, and is released by the cell to perform its functions.

7 0
3 years ago
Correct answer.
MrMuchimi

Answer:

C. 3:3

Explanation:

"Ozone is a gas that is naturally present in our atmosphere. Each ozone molecule contains three atoms of oxygen and is denoted chemically as O3. Ozone is found primarily in two regions of the atmosphere." https://csl.noaa.gov/assessments/ozone/2002/qandas1.pdf

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3 years ago
HELPP MEEBell Work: Why is the nucleus sometimes called the control center of the cell?
Aleonysh [2.5K]

Answer:

1, FAlse

2.True

3. true

4.true

5.True

6. FAlse

7.true

8.true

9.true

10.True

1. Yes

2.Animal cells are the basic unit of life in organisms of the kingdom Animalia.

3.Magnification is the ability to make small objects seem larger, such as making a microscopic organism visible. Resolution is the ability to distinguish two objects from each other.

4.organelles

5. Becuase they have diffierent genetics which serve for different purposes

EXIT TICKET=.chromosomes

Explanation:

mark me brainiest

8 0
3 years ago
What is the difference between haploid and diploid??
EleoNora [17]

The difference is that diploid cells have 2 complete sets of chromosomes and haploid has only 1 set of complete chromosomes. Hope this helps!


6 0
3 years ago
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