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laiz [17]
2 years ago
13

Birth rate = 35

Biology
1 answer:
serg [7]2 years ago
6 0
Population decreases by 15.

Birth rate means more population (positive), death rate means less population (negative), immigration means more (positive), and emigration means less (negative).  So, just add and subtract the appropriate numbers:

35\ people\ born-7\ people\ die+4\ people\ enter-17\ people\ leave=\\-15\ people

Negative 15 people means that the population decreases by 15.
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Uh if someone can do the rest of this they get brain<br>nliest and 30 points
Lerok [7]

Answer:

do it yourself.

Explanation:

Do it yourself

6 0
3 years ago
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All instructions for proteins, like hemoglobin, are stored in our _______, which is located in a cell’s ______________. This DNA
svlad2 [7]

Answer:

1. DNA

2. Nucleus

3. mRNA

4. Transcription

5. Nucleus

6. mRNA

7. Cytoplasm

8. Ribosome

9. Translation

10. anti-codons

11. codon

12. amino acids

13. protein

Explanation:

Deoxyribonucleic acid or DNA hold all the instructions that make up an organism. It determines the physical structure and even the function of the different cells that make up all organisms.

The DNA are all stored in the NUCLEUS of cells. Typically, eukaryotic cells have a nucleus except red blood cells. The nucleus has a nuclear envelope that keeps the DNA stored inside but it has nuclear pores that allows it to interact with the cytoplasm.

In order for DNA to be replicated, it needs to be turned into messenger RNA, otherwise known as mRNA. The mRNA decodes the DNA in order for the cell to use the code. The process is called transcription.

Transcription is done within the nucleus. Before the cell can understand what to do with DNA, mRNA transcribes to know what information it needs to produce specidic proteins.

Once transcription is done, it will then bring the information out of the nucleus and into the cytoplasm. The cytoplasm is the viscous gel-like solution that holds the organelles of the cell. In the cytoplasm you have ribsomes.

Ribosomes is where protein synthesis takes place, this is why it is called the protein factory of the cell. It is a molecule that is made up of ribosomal RNA, which direct the chemical processes involved in protein synthesis. For protein synthesis to happen, it will need another type of RNA, which is the tRNA.

tRNA is transfer RNA and they translate the mRNA sequence into proteins. tRNA have amino acids attached to it.

Each 3 bases of the mRNA are collectively known as codons. These codons correspond with specific  tRNA that hold the anticodons. These anticodons code for specific amino acids that they also hold.

When they pair up, the tRNA drop off the amino acid which form a chain with the other tRNA amino acids that complete the code. These chain of monomers then make the protein specific to the DNA code that was copied in the beginning.

3 0
3 years ago
How does photosynthesis contribute towards maintaining a clean environment and ensuring food security?​
azamat

Answer:

Well for one photosynthesis gives out oxygen. This makes all animals able to live. So in that way it helps us and the world around us. Without photosynthesis we also could not eat food. No animals could live and no plants ould live. VERY IMPORTANT!

Explanation:

5 0
3 years ago
The planet
serious [3.7K]

Answer:

a venus it is similar size to earth and earth matches this description

4 0
3 years ago
Read 2 more answers
What are Constant/control variables
Alik [6]

Answer:

constant = changes and control is used as the basis of comparison

Explanation:

Constant variables are variables that do not change

e.g such as the temperature ( if it's meant to be kept at a constant temp).

Control variables are meant to be kept constant to allow for a comparison and thus determine the effect of IV (independant variable) and DV ( dependant variable)

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2 years ago
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