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3 years ago

4. Fill in the blanks. Photosynthesis uses and It produces and

Biology

2 answers:

dmitriy555 [2]3 years ago

6 0

Answer:

mitochondria is the powerhouse of the cell

Explanation:

Nostrana [21]3 years ago

5 0

Photosynthesis uses carbon dioxide, photons (energy from sunlight), and water (H2O).

Photosynthesis produces glucose(C6H12O6) , and the by product it also produces is oxygen (6O2)

Don’t listen to the “mitochondria is the powerhouse of the cell” comment. The mitochondria converts the glucose(synthesized during photosynthesis) produced from photosynthesis into ATP energy during cellular respiration.

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A scientist notices that when she adds a small, water-soluble molecule to a dish of cells, the cells turn off transcription of a

Lelechka [254]

Answer:

Enzyme-linked

Explanation:

The cell surface receptors that have intracellular domains associated with enzymes are called enzyme-linked receptors. The added molecule was water-soluble and cannot pass through the membrane to bind to intracellular receptors. Binding of the added molecule to the enzyme-linked receptor led to the activation of associated enzymes to generate the response (down-regulation of expression of the target gene).

Examples of enzyme-linked receptors include tyrosine kinase receptors. Binding of the signaling molecule to these receptors triggers phosphorylation of the intracellular domain which in turn transmits the signal to the cytoplasmic messenger.

7 0

3 years ago

Cindy collects 20 insects for her biology class, all of which are spiders, dragonflies, and cicadas. (Note that a spider has 8 l

Ronch [10]

Cindy collects 4 cicadas in total.

Let,

D represent the number of dragonflies

C represent the number of cicadas

S represent the number of spiders

Since the total number of insects is 20:

Equation 1

D+C+S=20

A spider has 8 legs, a dragonfly has 6 legs, and a cicada has 6 legs. Since the total number of legs is 138:

Equation 2

6D+6C+8S=138

A spider has 0 wings, a dragonfly has 4 wings, and a cicada has 2 wings. Since the total number of wings is 36:

Equation 3

4D+2C+0S=36

Multiplying equation 1 with 6 and subtracting it from equation 2:

6D+6C+8S-6(D+C+S)=138-6(20)

2S=18

S=9

Multiplying equation 1 with 4 and subtracting it from equation 3:

4D+2C+0S-4(D+C+S)=36-4(20)

-2C-4S=-44

Substituting S with 9:

-2C-4(9)=-44

-2C=-8

C=4

Thus, Cindy collects 4 cicadas in total.

Learn more about insects here:

brainly.com/question/14182820

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7 0

2 years ago

Define the term homeostasis.

FrozenT [24]

Homeostasis can be defined as a property of an organism or system that helps it maintain its parameters within a normal range of values.

I hope that's help:)

Please choose me as the Brainliest answer :)

Thanks

6 0

3 years ago

Read 2 more answers

Environmental scientists are uncovered with methods to preserve natural resources<br> true or false

Ber [7]

The answer would be true

3 0

3 years ago

What are microscopic blood vessels that connect arteries and veins?

Snezhnost [94]

The answer is capillaries.

7 0

3 years ago