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stealth61 [152]
3 years ago
8

What causes hotspot volcanism?

Biology
1 answer:
Andreas93 [3]3 years ago
6 0
A hot spot is an area in the mantle of the earth where heat increases during the convection phase. This heat makes it easier for rock to melt. The melted lava, known as magma, drives volcanoes into cracks in the crust. There was a mistake. It does happen instead in abnormally hot centers called mantle feathers.
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Please help me on this
Liono4ka [1.6K]

Dad: TtBb

Mom: ttbb

You have to use distribution for dihybrid crosses.  Meaning, the first allele of each trait has a equal chance of being paired with the other allele of the other trait.  So for example with Dad, I will number the traits:

T(1)t(2)B(3)b(4)

To set up the possibilities from Dad, it would be 13, 14, 23, 24: TB, Tb, tB, tb.  Same idea goes for Mom, except since all alleles are the same, you only need to make one column for Mom, since if you did all 4, the other 3 would just be repeats of the 1.

Cross:

                 tb

TB           TtBb

Tb           Ttbb

tB            ttBb

tb            ttbb

The phenotypic ratio is 1 Tall Brown: 1 Tall Blue: 1 Short Brown: 1 Short Blue

5 0
3 years ago
what would happen if all of the cells in a developing frog embryo expressed the same type of cadherin on their surfaces?
son4ous [18]

Answer:

option d is the correct option. all the cell in the embroyo would be capable of attaching to one another regardless of the cell type.

Explanation:

cadherins are molecules that allow cell adhesions. various number of cell bind together using this molecules for

proper functioning.

3 0
2 years ago
QUE SON LA BIOMOLECULAS​
DIA [1.3K]

Son consideradas biomoléculas aquellas moléculas que forman parte de los organismos vivos.  

Las moléculas son las unidades físicas de la materia, que se forman a partir de la unión de dos o más átomos agrupados a través de enlaces químicos.

Las biomoléculas se clasifican en inorgánicas u orgánicas.

• Las biomoléculas inorgánicas se encuentran ampliamente en la atmósfera. El agua, algunas sales como el cloruro de sodio, y gases como el oxígeno, son ejemplos de biomoléculas inorgánicas.  

• A las moléculas como azúcares, proteínas, combustibles, entre otras, las cuáles contienen átomos de carbono, hidrógeno, oxígeno y a veces nitrógeno se les llama moléculas orgánicas.

Cuando las moléculas orgánicas forman parte de la materia viva, se les conoce como biomoléculas orgánicas, las cuales incluyen fundamentalmente glúcidos, lípidos, proteínas y ácidos nucleicos.

Por lo tanto, podemos concluir que las moléculas (compuestos que se forman a partir de los elementos químicos) que se encuentran formando los seres vivos se conocen como biomoléculas y se clasifican en inorgánicas u orgánicas.  

Aprende más acerca de las biomoleculas aquí: brainly.com/question/24345880            

5 0
2 years ago
So were is the genetic material find in a prokaryotic cell
tiny-mole [99]
Endomembrane system -- not in prokaryotes
cytoskeleton -- a structural part of cytoplasm sometimes occurrent in prokaryotes
mitochondria -- not in prokaryotes 
nucleus -- if this is a "membrane-bound" nucleus, then definitely not in prokaryotes
cytoplasm -- this is the fluid that houses everything in the cell membrane
flagella -- little "tail" for locomotion, so no
cilia -- similar to flagella, little feelers usually for locomotion 
ribosomes -- these make protein using amino acids
chloroplasts -- not in prokaryotes
membrane -- just a casing surrounding a cell or organelle
organelles -- general word for the parts of a cell that perform various functions
cell membrane -- just the casing for the cell, not where genetic material's located
<span>nucleoid --- ding ding ding :-) this is it; a nucleoid is the genetic material which is loosely existing in the cytoplasm of a prokaryotic cell</span>
5 0
3 years ago
How does carbon's high valence relate to its ability to form these large and complex bio molecules?
Stells [14]
<span>B. 

exhibit identical biochemical makeup</span><span>B. 

exhibit identical biochemical makeup</span><span>B. 

exhibit identical biochemical makeup</span>
3 0
3 years ago
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