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stira [4]
3 years ago
9

You have been hired to forecast future population level for a small country. You know that this country currently has 25 million

citizens and wishes to achieve a population level three times the current population, 25 years from now. (a) What population growth rate must it maintain in order to achieve this goal
Biology
1 answer:
Jobisdone [24]3 years ago
3 0

Answer:

Explanation below

Explanation:

It should be understood that the population growth rate of a particular country can be explained or described as the increase in the number of the citizens of that country.

There are so many factors that contribute to an increase in the number of people of a country. These include influx of people into the country, increase in birth rate and decrease in death or mortality rate.

In this case, the growth rate is usually calculated in percentage, so the growth rate should be around 3.5%.

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Do genes make up chromosomes?
sattari [20]

Answer:

No

Explanation:

That would not be likely. It is a very complicated cycle

5 0
3 years ago
Flow Chart What happens to food and energy when it enters the cell? Finish the description for each organelle. Step 1: Mitochond
torisob [31]

Explanation:

Eukaryotic cells have specialized mechanisms to transport molecules along with membrane-bound organelles like the endoplasmic reticulum that provide a higher surface area for absorption and enable more efficient transportation.

Their structural components (i.e. their makeup) determine their function (what they do). In specific cell types, collected proteins may function as a unit called an organelle. Some organelles are bound by membranes like those that make up the external structure of the cell, with varying compositions of phospholipids and proteins. Several organelles facilitate the digestion of nutrients into metabolites and energy...

  • Step 1: Mitochondria break down food and release energy; In all eukaryotic cells mitochondria are small cellular organelles bound by membranes. The higher concentrations of reactants and solutes, increases metabolic reaction efficiency; these make most of the chemical energy required for powering the biochemical reactions within the cell. This chemical energy is obtained via the breakdown of nutrients from food, and is stored within the molecule ATP. Respiration in the mitochondria utilizes oxygen for the production of ATP in the Krebs’ or Citric acid cycle via the oxidization of pyruvate     (through the process of glycolysis in the cytoplasm) where several metabolites used for building other compounds are produced.
  • Step 2: Lysosomes... Some organelles separate proteins and molecules that may harm the cell by parceling them into membrane-bound organelles for example, proteases bound within lysosomes can break down many structural proteins, and carbohydrates found in food, waste, and cell components
  • Step 3: Vacuoles... Vacuoles are fluid filled organelles which store concentrated amounts of solutes, and waste products. Specialized vacuoles are also used to transport components to the cell membrane for cellular export.
  • Step 4: The endoplasmic reticulum... Most proteins that function in the cytosol (such as actin) or in the nucleus (such as DNA polymerase) are synthesized by free ribosomes. Proteins that function within the endomembrane system (such as lysosomal enzymes) or those that are destined for secretion from the cell (such as insulin) are synthesized by bound ribosomes in the rough endoplasmic reticulum. The rest of the ER, which does not contain ribosomes is called the smooth ER,  and may contain lipids,  enzymes, and other proteins. As a protein destined for the endomembrane system is being synthesized by a ribosome, the first amino acids in the growing polypeptide chain act as a signal sequence. That signal sequence ensures that the ribosome binds to the outer membrane of the ER and that the protein enters the ER lumen.
  • Step 5: Golgi bodies... Like a post office, the golgi complex, or golgi body  recognizes signal sequences and packages these compounds into lysosomes for delivery to their final destination. Lysosomes fuse with the plasma membrane to empty their contents into the extracellular space.

Learn more about cellular life at brainly.com/question/11259903

Learn more about mitochondria at brainly.com/question/8427362

Learn more about mitochondria and similar structures at brainly.com/question/2855039

#LearnWithBrainly

3 0
3 years ago
Anchoveta feed on large
mojhsa [17]

Answer:

Anchoveta feed on large  zooplankton whereas sardines  feed mainly on phytoplankton.  Use this information to suggest  why sardine numbers are less

likely to collapse during an El  Niño event?

Reason why sardine are less likely to collapse during an El Nino event is as  a result of sardine survival is neither dependent  on zooplankton nor anchoveta rather sardine is dependent on phytoplankton which is not scarce

Explanation:

8 0
3 years ago
A forensic odontologist examines the teeth of a skull and finds no baby teeth, no wisdom teeth, scarring in the rear jawbone, no
denis23 [38]
The correct answer is letter B, the age range of the skull is less than 10 years old. Teeth are also a form of bone that develop within the skull. Its structure helps archaeologists determine the age of fossils that they dug up from the soil. Children lack some prominent features compared to adults because their bodies are still growing and developing into maturity. 
4 0
3 years ago
Read 2 more answers
Help science cell is this correct????
Radda [10]

Answer:

yes

Explanation:

you are very right

7 0
3 years ago
Read 2 more answers
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