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3 years ago

Station #2 contour map

1 answer:

3 0

Answer;In cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

Explanation:

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This type of selection operates if individuals within a population with the smallest and largest body sizes have fewer offspring

Gekata [30.6K]

<span>Stabilizing selection operates when individuals within a population of average body size have more offspring than those of large or small body size. this is the worlds way of stabilizing the population to a safe average.</span>

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3 years ago

Which of the following options lists the stages in cellular respiration in the correct order? glycolysis, the citric acid cycle,

marishachu [46]

Answer:

The correct answer is glycolysis, the citric acid cycle, and oxidative phosphorylation

Explanation:

Aerobic respiration contains three major processes that are glycolysis, the citric acid cycle, and oxidative phosphorylation.

In glycolysis, partial oxidation of one mole of glucose gives two moles of pyruvate and 2 NADH and 2 ATP. Then this pyruvate is converted into acetyl-CoA in the mitochondrial matrix(in eukaryotes) and acts as a fuel for the Krebs cycle.

In the Krebs cycle, acetyl CoA gives rise to 4 CO₂, 2 ATP, 6 NADH, and 2 FADH₂. So from glycolysis and Krebs cycle, only 4 ATP is produced and most of the energy remains in the form of NADH and FADH₂.

So in oxidative phosphorylation electrons are released from these molecules into machinery of oxidative phosphorylation to synthesize ATP.

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4 years ago

Sensory and motor nerves make up the _____ nervous system.

Ray Of Light [21]

<span>Sensory and motor nerves make up the central nervous system.</span>

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3 years ago

When the number of organisms increases in an ecosystem, the

Fudgin [204]

I believe B) I think because if there are more animals nothing is going to change but the supplys like food and shelter may decrease but that's not an option

7 0

4 years ago

Read 2 more answers

Cells must use energy to move a substance against a concentration gradient i.e., from a compartment with a low concentration of

garik1379 [7]

Answer:

Transport of sodium ions out of the cell

Transport of potassium into the cells

Transport of calcium ions out of cell

Transport of calcium ions OUT OF the cytoplasm of a cell and INTO an organelle that has a high concentration of calcium ions.

Explanation:

In general the concentration of sodium ion is higher outside the cell in the extracellular fluid and the concentration of potassium ion is higher inside the cell.

During an active transport, a cell uses energy to move molecules against the gradient as a part of primary active transport. In the secondary active transport, the molecules move as per the electrochemical gradient established by the primary active transport.

In primary active transport, sodium ion moves out of the cell and potassium ion moves into the cell through the assistance of sodium potassium pump. In order to maintain the stability, calcium ion from the sarcoplasmic reticulum is pumped out of the cell

Hence , the correct answers are

Transport of sodium ions out of the cell

Transport of potassium into the cells

Transport of calcium ions out of cell

Transport of calcium ions OUT OF the cytoplasm of a cell and INTO an organelle that has a high concentration of calcium ions.

8 0

4 years ago