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3 years ago

When two hydrogen atoms are smashed together creating helium atoms and energy, what is occurring?

Biology

1 answer:

liq [111]3 years ago

7 0

Answer:

NUCLEAR FUSION

Explanation:

A nuclear fusion reaction is so named because the nuclei (center) of atoms fuse (join) together in the process. In stars like our Sun, hydrogen atoms join together to create a helium atom. Nuclear fusion reactions need a lot of energy to get started. Once they begin, they produce even more energy

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3 years ago

Read 2 more answers

What are the four types of macromolecules, their bulding blocks, and their main functions?

OleMash [197]

Carbohydrates: Molecules that provide energy/ fuel and build structures in the body. Example: Sugar. Starch, Cellulose. Building Blocks. Monosaccharides

Lipids:Molecules that store energy and regulate the body's metabolic processes. Building Block: Fatty Acids and Glycerol. Examples: Fats, Steroids, Cholesterol

Proteins: Molecules that provide structural support, cell communication, storage transport, movement, and defense. Building Block: Amino Acids Examples: Enzymes, Structural Components

Nucleic Acids: Molecules that enable living organisms to reproduce genetic information and pass them from one generation to another. Building Blocks: Nucleotides. Examples: DNA and RNA Building Blocks:

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3 years ago

T/F. Autonomic ganglia are sights of synapse and information transmission from preganglionic to postganglionic neurons.

inessss [21]

Answer:

True

Explanation:

There are two components of efferent/motor nervous system.

1.Autonomic Nervous System

It innervates the smooth muscles, glands and cardiac muscles and is under involuntary control. ANS is further divided into Sympathetic nervous system and parasympathetic nervous system.

It is composed of preganglionic neurons and postganglionic neurons. The axons of preganglionic neurons synapse on the cell bodies of postganglionic neurons.

Autonomic ganglia of sympathetic nervous system form the paravertebral ganglia (long chains on either side of spinal cord) and autonomic ganglia of parasympathetic nervous system are located close to the organ which the fibers innervate.

2. Somatic Nervous system

It is responsible for voluntary control of skeletal muscles and is composed of motor nerve and the innervated muscle.

4 0

4 years ago

in cardiac contractile cells, the l-type ca2+ channels lie mostly in the:

PSYCHO15rus [73]

Transverse (T) Tubules

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3 years ago

Select the correct location on the image. Keiko’s teacher was discussing the theory of endosymbiosis. She asked Keiko to mark th

const2013 [10]

Mitochondria in animal cells, while mitochondria and chloroplast in plant cells most closely resembled prokaryotes.

<h3>What do you mean by endosymbiotic theory?</h3>

This theory states that organelles such as mitochondria and chloroplast in eukaryotic cells were once prokaryotic microbes.

These organelles when occupied in prokaryotes divide by binary fission. But they become a part of the eukaryotic cell now and result in a symbiosis relationship between each other.

Therefore, Mitochondria in animal cells, while mitochondria and chloroplast in plant cells most closely resembled prokaryotes.

To learn more about Endosymbiotic theory, refer to the link:

brainly.com/question/1698852

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3 years ago