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Fofino [41]
3 years ago
5

Describe four factors that affect population size

Biology
1 answer:
strojnjashka [21]3 years ago
4 0
Fertility Rate

Mortality Rate

Immigration

Emigration <span />
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How does cellular reproduction allow cells to maintain homeostasis
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Cellular homeostasis involves maintaining a balance of several things that make a cell healthy. The cell membrne is a lipid bilyer that prevents that passage of water and ions. This allows cells to maintain a higher concentration of sodium ions out the outside of the cell.

Explanation:

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Do Now: b) Complete the following mRNA Strand: GCATACAGT (Be sure to look if it is asking for DNA or mRNA. DNA is GCAT and mRNA
svlad2 [7]

Answer:

CGUAUGUCA

Explanation:

Firstly, the strand in the question is a DNA strand because it contains the Thymine base, which is only found in a DNA molecule. The process of changing a DNA molecule into RNA molecule (specifically a messenger RNA) is called transcription. Transcription is done using the complementary base pairing rule, which states that Adenine (A) will always pair with Thymine (T), and Guanine (G) will always pair with Cytosine (C).

In the case of transcription, the Thymine bases will change to Uracil (U), since Uracil is only found in the RNA molecule. That is, A-U and G-C. Hence, a DNA strand that reads: GCATACAGT will produce a mRNA strand CGUAUGUCA.

3 0
3 years ago
Which statement describes the difference between photosynthesis in chloroplasts and cellular respiration in the mitochondria? O
alina1380 [7]

Answer:

Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water. ... For example, both processes synthesize and use ATP, the energy currency.

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3 years ago
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Which organic molecule Holds directions<br> to make proteins
nalin [4]

Answer:

Nucleic acid

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Nucleic acids are organic compounds that include DNA and RNA. DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.

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