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solong [7]
3 years ago
15

The three most widely used psychoactive drugs in the world are

Biology
2 answers:
dem82 [27]3 years ago
7 0
Alcohol,nicotine, and caffeine.
grandymaker [24]3 years ago
4 0

Marijuana

Alcohol

Nicotine

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A zygote is best described as
ki77a [65]

Answer:

A zygote is D. The first cell with DNA from both parents in it’s nucleus.

Explanation:

A zygote is the unison of a sperm and an egg cell as to where the genetic information is combined in the fusion of the two parents haploid cells. Therefore it would be the first cell that contains DNA in the nucleus from both parents.

I hope this helps! :D

7 0
3 years ago
Explain the fluid mosaic model
MrRa [10]
The model describes how cellular membranes i.e. lipid bilayers are organized. Despite the fluidity, lipid bilayers can form certain domains with different characterisrics and compositions. The cell can use different mixtures of lipids to create a 'mosaic' or 'patchwork' of domains.
An example of such domains are so called 'lipid rafts' which are aggregates of certain lipids (mostly cholesterol and sphingomyelins). In these rafts the lateral diffusion of membrane-bound proteins is strongly reduced, thereby forming stable complexes to facilitate, for example, signal-processing and transduction.
Note that a lot about how or why a cell creates these domains is still unknown.
3 0
3 years ago
Kisspeptin is a protein that, in humans, has an important role in initiating secretion of the releasing factor gonadotropin-rele
katrin2010 [14]
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7 0
3 years ago
What are the two main functions of the enzyme DNA polymerase during DAN replication?
Nuetrik [128]

Answer:

A

Explanation:

5 0
4 years ago
Please someone who is good at biology I need help asap
statuscvo [17]

I won’t be willing to eat this altered genetically crops because they are much harmful to humans. For example some links term genetically crops do gluten disorders that affect millions of Americans. Again there are multiple toxins which are from genetically altered crops which detect in real and fetal blood.

Negatives.

Genetically altered crops have got DNA and can be transferred to people who eat them.

Genetically altered crops can cause modified corn to rat tumours.

They cause human breast cancers induced by glyphosate via estrogen receptors.

In pigs genetically crops cause severe stomach inflammation and enlarged uteri.

6 0
4 years ago
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