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2 years ago

The pathway of energy through

Biology

2 answers:

madam [21]2 years ago

6 0

Answer: heat because we get light and their are chemicals in heat

Brrunno [24]2 years ago

6 0

Answer:

Heat

Explanation:

in an ecosystem there are multiple types of lifeforms, this seems to be asking about those.

First plants take light energy and convert it into gluecose, a stored form of chemical energy in the plant. Said plant will use energy to grow ans will break down the glucose to respire, producing heat.

Additionally, buclear energy is weong becasue living things are not nuclear plants and water isnt a form of enrgy by it self so the answer may be refering to hydroelectric energy which is also wrong

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What do cells need to do between divisions to make sure they don't just get smaller and smaller.

Inga [223]

Cells reproduce by splitting in half, a process called Cell Division. They get bigger before they divide so the don't just get smaller and smaller.

5 0

3 years ago

if you were to watch an individual neurotransmitter molecule just after it was released what would happen to it

Olenka [21]

Neurotransmitter leaves the presynaptic cell by exocytosis. It is released in the synaptic space, and moves to the postsynaptic membrane to meet its receptor. When binding occurs, it triggers a response in the new cell.

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Every neuron forms connections with another cell.

When a presynaptic cell sends information, a neurotransmitter is released.

After the exocytosis event, this chemical substance travels through the synaptic space forward to the other cell. Once there, it binds to its receptors in the postsynaptic membrane.

When the joining occurs, the receptor acquires a channel shape. This change allows the ion transference that will make possible the modification of the action potential.

This binding produces the excitatory postsynaptic potential -depolarization-.

A new action potential initiates in the postsynaptic cell and spreads to the rest of the membrane, depolarizing it.

If the communication between cells needs to stop, the neurotransmitter will be taken out from the synaptic space instead of binding to its receptor.

There are two mechanisms by which the neurotransmitter can be eliminated: by deactivation or reuptake.

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6 0

3 years ago

Since neither pink or blue is dominant over the other, and some plums are purple, what type of inheritance pattern does this dis

babymother [125]

There aquired fruits

8 0

4 years ago

The lactose (lac) operon in E. coli is an example of a repressed gene when lactose is not available in a cell. In 3-5 sentences

irakobra [83]

Answer:

Please find the detailed explanation of this statement below

Explanation:

Firstly, a repressed gene is a gene whose expression has been inhibited or repressed. The lac operon in E.coli bacteria is a regulatory unit containing structural genes, a single promoter and operator regions. The promoter is the region where the transcription enzyme (RNA polymerase) binds to in order to transcribe the genes in the lac operon. The structural genes in the lac operon can only be expressed in the presence of lactose sugar.

However, in the absence of lactose, LAC REPRESSOR, which is a transcription factor (protein), prevents the binding of RNA polymerase to the PROMOTER region by binding to the OPERATOR region of the lac operon. This inhibits the expression of the lactose genes in the operon.

Note that, the structural genes in the lac operon (lacZ, lacY, lacA) code for proteins that help break down lactose sugar for energy in the E.coli bacteria. Therefore, a bacteria cell with a repressed lac operon will be unable to degrade lactose sugar.

4 0

4 years ago

What other structures of the cytoskeleton would show the same pattern of microtubules as a flagellum

pashok25 [27]

Answer:

Cilia

Explanation:

Cilia and flagellum are made up of microtubules.

Cytoskeletal filaments are structures which allow movement. In cilia and flagella, the cytoskeletal filaments are present in the form of microtubules and the primary work of these structures is to facilitate in movement.

Cilia is also present in mammals to facilitate the movement of fluids in cells.

Structurally, there is no difference between cilia and flagella. The only difference between cilia and flagella is in their lengths.

5 0

3 years ago