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Bad White [126]
3 years ago
10

Who were the two scientists who discovered the structure of DNA

Biology
1 answer:
Kisachek [45]3 years ago
4 0

Answer:

James Watson and Francis Crick were the first to discover the structure of DNA in the 1950s

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A characteristic of acids is that they react with metals to: form non-metals release water release hydrogen gas produce bases
astra-53 [7]
<span>  a characteristic of acids is that they react with metals to release hydrogen gas.</span>
6 0
2 years ago
Read 2 more answers
1. What does Kes73 have that makes it interesting to astronomers?
nata0808 [166]

The thing that makes kes73 interesting to astronomers is ; ( A ) A second star.

kes73 is believed by astronomers to have come from the explosion of dying stars in the supernova. The gases from the dying stars explode and scatter across forming a colorful cloud known as kes73.

At the center of the colorful cloud formed from the gases of the dying stars is a second star ( magnetar ) which is the most powerful star in the galaxy due to its  magnetic force.

Hence we can conclude that the thing that makes kes73 interesting to astronomers is the presence of a second star

Learn more : brainly.com/question/24245572

8 0
3 years ago
When Mendel crossed the pollen from a plant with green pods with a plant with yellow seed pods, all of the offspring had green s
aleksley [76]

Answer:

True

Explanation:

Let the allele for green color of pods be G

and the allele for yellow color of pods be g

Phenotype of true breeding parent with green colored seeds is GG

Phenotype of true breeding parent with yellow colored seeds is gg

In F1 cross

GG mates with gg

Genotype of offspring - Gg

Phenotype of offspring - Green seed

Since the offspring has both the allele for green and yellow seeds color but yet only green is expressed. This indicate that green allele dominated the expression of yellow allele thus, it can be concluded that green seed pods were dominant over yellow seed pods.

8 0
2 years ago
Renewable resources are those that can be synthesized by humans. Please select the best answer from the choices provided T F
quester [9]
No, this is false!

Renewable resources can be syntesized by humans, or not: some of them can, and some can't. This is not what makes them renewable, instead it's the fact that they will still be present in the nature after usage - they will be replaced (the sun will still shine tomorrow even if we harvest its power).
6 0
3 years ago
Read 2 more answers
Acetylcholinesterase (AChE) is a protein that catalyzes the conversion of acetylcholine to acetate and choline. When the concent
miv72 [106K]

The correct statement is that the concentration of acetylcholine will be inhibited by enzymes and can cause several diseases as follows:

  • Alzheimer's disease-related to damage to brain cells,
  • memory loss,
  • and thinking ability.

How to reduce the symptoms of these diseases is to use drugs that contain cholinesterase inhibitors.

<h2>Further Explanation </h2>

Acetylcholine is a neurotransmitter that plays an important role in the functioning of the autonomic nervous system. Acetylcholine is one of the most commonly recognized neurotransmitters or nerve stimulating chemicals. These neurotransmitter compounds can be found in the nervous system.

There are several side effects of the acetylcholine drug, which are as follows:

  • Can cause a lot of sweat
  • Excessive salivation
  • Stomach ache
  • Headache
  • Blood vessel dilation
  • Nausea and vomiting
  • Diarrhea is a sign of an increase in parasympathetic tone.

Learn More

  1. about chemicals brainly.com/question/8735339
  2. about enzymes brainly.com/question/6577765

Details

Grade: Middle School

Subject: Biology

Keyword: chemicals, enzymes, Acetylcholine, neurotransmitter

5 0
3 years ago
Read 2 more answers
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