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3 years ago

HELP PLEASE I HAVE AN F

Biology

1 answer:

love history [14]3 years ago

8 0

Answer:

the nut is the producer, the squirrel is the primary consumer.

the fish is the primary consumer, the bear is the secondary consumer

the leaf is the producer, the caterpillar is the primary consumer

the worm is the primary consumer, the bird is the secondary consumer.

Explanation:

please mark as brainliest

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Drag the correct word from the left into the sentence on the right to complete each sentence. In anabolic reactions that involve

kkurt [141]

Answer:

The correct matches are:

In anabolic reactions that involve the synthesis of a large molecule from smaller precursor molecules, NADH and ATP are consumed when they provide the needed electrons or energy.
In catabolic reactions that involve the breakdown of a molecule into smaller subunits, such as glucose to pyruvate, NADH and ATP are produced.
In the reaction Pyruvate +NADH-Lactate +NAD, pyruvate is being reduced.
In the reaction Pyruvate NADH-Lactate +NAD, NADH is being oxidized.

Explanation:

Being involved in synthesis, anabolic reactions require energy in the form of energy storing molecules such as NADH and ATP. Anabolic processes utilize energy produced by the catabolism of complex compounds.
Catabolic processes produce energy or energy storing compounds by breaking down complex substances into simpler ones. All steps of cellular respiration are catabolic processes since they generate energy in the form of ATP or energy yielding molecules such as NADH and FADH2.
Anaerobic respiration takes place during intense physical activity due to which adequate oxygen does not reach the cells. Insufficient oxygen shuttles the pyruvate molecules produced by glycolysis into the lactic acid pathway that reduces pyruvate into lactic acid.
Since, NADH is donating its H+, it is being oxidized to NAD+.

8 0

4 years ago

The surface area/volume ratio is an important factor for one celled organisms. As a cell's volume grows, its surface area/volume

Stells [14]

Answer

Use Mitosis to divide and create daughter cells.

Explanations

Single-celled organisms use mitosis to reproduce. Both growth and reproduction in unicellular organisms are mutually inclusive. When the cell’s volume grows, the ratio of surface area to volume decreases creating challenges in acquisition of nutrients because there will be too much cytoplasm for a given amount of nuclear material , thus the cell divides by mitosis to reproduce daughter cells and the process begins again.

5 0

4 years ago

Sea grass grow on the ocean floor in shallow areas runoff from the land into the ocean can cause the waters to become cloudy. cl

guajiro [1.7K]

The correct answer is - C. light.

The cloudy waters are waters where the visibility is very low. That is a result of higher amount of sediments or organic debris in the water. Because the water has low visibility, it means that the light can not reach very deep into it, only few centimeters on the surface of it. The plants, including the sea grass, are using the light for the process of photosynthesis which is crucial process for their survival as through it they are producing their own food, or rather the sugars. With the light being insufficient or lacking, the sea grass will die out in those parts, and will only be able to exist in the parts where there's enough light.

8 0

3 years ago

In a species of Drosophila, developing larva have special proteins in their epithelial cells. These proteins bind to a certain r

kkurt [141]

Answer:

The larva gets dark pigment.

Explanation:

If scientists purposely injected an excess concentration of these proteins in the larva, the larva gets deep dark colour because this protein is responsible for the pigment colour in the larva of Drosophila. By increasing the protein concentration the pigment will also have a very dark colour. So we can conclude from this that increasing the amount of protein causes increase in the pigment colour.

7 0

3 years ago

Select all that apply.

Nezavi [6.7K]

Differentiated cell and tissues can not make a new cell.

So, this includes parenchyma, phloem, <span>xylem.

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6 0

3 years ago