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nekit [7.7K]
3 years ago
15

Which mineral has a 12-sided crystal

Biology
2 answers:
Hatshy [7]3 years ago
6 0
I think its dodecahedral.
Sphinxa [80]3 years ago
4 0
A topaz crystal hope this helps
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Which of the following statements does NOT accurately describe difference between mitosis & meiosis? A.mitosis is used to pr
yanalaym [24]

c), mitosis; meiosis ... Which of the following statements about human reproduction is true? ... b), Each cell undergoing mitosis divides into two complete new cells that are ... a), Sperm and ova are not identical to the parent cells that produced them. ... a), Mitosis produces cells that have a haploid number of chromosomes.

4 0
3 years ago
What is an autosomal disorder ​
katrin2010 [14]

Answer:

Explanation:

Autosomal recessive is one of several ways that a trait, disorder, or disease can be passed down through families. An autosomal recessive disorder means two copies of an abnormal gene must be present in order for the disease or trait to develop

8 0
3 years ago
Read 2 more answers
De acuerdo con lo anterior llene el siguiente cuadro comparativo señalando con x si las células procariotas o eucariotas posee l
Maurinko [17]

Answer:

El cuadro no está presente pero las diferencias principales entre células eucariotas y procariotas son:

Eucariotas:

Tienen núcleo

Tienen organelas

Tienen Vacuolas

Tienen Citoesqueleto

Tienen Cloroplastos

El ADN está asociado a proteínas

El ADN es lineal

Presentan mitocondrias

Presentan un sistema de endomembranas

Procariotas:

No tienen núcleo

No tienen vacuolas

No tienen cloroplastos

No tienen organelas

El ADN no está asociado a proteínas

El ADN es circular

Presenta mesosomas

Explanation:

Las células procariotas son más primitivas que las eucariotas, por ende, sus estructuras son más simples. Las células procariotas están en organismos unicelulares tales como las bacterias, mientras que las células eucariotas están en organismos unicelulares y pluricelulares como en plantas, animales, u hongos. La diferencia más notoria entre ambos tipos de células es la ausencia de núcleo en las procariotas haciendo que el ADN está disperso en el citoplasma mientras que en las células eucariotas, el ADN está dentro del núcleo celular.

4 0
3 years ago
Why would a fish with faulty valves in its conus arteriosus probably suffer from a lack of energy?
d1i1m1o1n [39]

A faulty conus arteriosus  would compromise on an effective gaseous exchange that keeps the blood of the fish oxygenated for respiration of tissues. The conus arteriosus is one of two accessory chambers found in most fish with two-chambered hearts. The primary function of the conus arteriosus is to prevent the backflow of blood and keep a steady flow of blood into the ventral aorta and the gills.






5 0
3 years ago
Some of the food in the protein group and dairy group are high in saturated fats and cholesterol. These raise which cholesterol
BigorU [14]

The food in the protein group and dairy group are high in saturated fats and cholesterol, it raise LDL in blood.

<h3>What is cholesterol?</h3>

Cholesterol is a waxy like substance synthesized from two sources such as liver and from animals like meat, poultry, diary product.

There are two types of cholesterol, one is bad called LDL cholesterol and second one is good called as HDL.

LDL narrow down the arteries by depositing fats in it, the condition known as atherosclerosis which leads to increase in risk for heart attack, stroke and peripheral artery disease.

On the other hand, HDL protect against heart attack and stroke

Third component called triglycerides are the common type of fat act as a reservoir of excess energy.

Hence, LDL is the correct answer.

Learn more about cholesterol, here:

brainly.com/question/14528218

#SPJ4

3 0
2 years ago
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