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USPshnik [31]
2 years ago
10

What would be the most effective way for a scientist to get an idea of the actual age of a rock?

Biology
1 answer:
AlexFokin [52]2 years ago
5 0

Answer:

C

Explanation:

scientists use carbon dating to see how old things are :)

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magine that the animal body produced sperm and eggs with mitosis instead of meiosis. What chromosome number would the autosomes
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Answer:

sixteen chromosomes

Explanation:

this is because the

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3 years ago
The hormone adrenaline can affect only cells with.
Savatey [412]
The answer would be appropriately shaped receptors
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4 years ago
For water to travel across the cell membrane at a substantial rate the water molecules travel through protein channels known as
Kitty [74]
The appropriate response is Facilitated Diffusion. It is the procedure of unconstrained detached transport of atoms or particles over a natural film by means of particular transmembrane indispensable proteins. 
In the cell, cases of atoms that must utilize facilitated diffusion to move all through the cell film are glucose, sodium particles, and potassium particles. They pass utilizing transporter proteins through the cell film without vitality along the fixation slope.
5 0
3 years ago
Arrange the events taking place during transcription in order: i) The pre-RNA undergoes processing ii) RNA polymerase moves down
Anastasy [175]

Answer:

RNA polymerase binds to the promoter

Polymerase initiates RNA synthesis at the start point on the template strand

RNA polymerase moves downstream unwinding the DNA

RNA transcript is released and polymerase detaches from the DNA

The pre-RNA undergoes processing

Explanation:

The promoter is the specific DNA sequence that serves as a binding site for RNA polymerase. The enzyme RNA polymerase recognizes the promoter sequence and binds to it to begin the process of RNA synthesis. The process of RNA synthesis begins at the start site where the process of the unwinding of DNA duplex is initiated.

The unwinding separates the two DNA strands at the start site where RNA polymerase begins the process of synthesis of the new RNA strand. The newly formed RNA strand and RNA polymerase are released from the template strand after the termination of the process.

In eukaryotes, the primary RNA transcript undergoes the process of splicing of introns, the addition of poly-A tails and 5' cap which in turn transform it into the mature mRNA.

8 0
3 years ago
Which phylum forms a connection between the chordates and the nonchordates? The phylum forms an evolutionary connection between
iris [78.8K]

Answer:

The phylum Hemichordata is the one that could form an evolutionary connection between the chordates and non-chordates.

Explanation:

To the phylum Hemichordata belongs a genus that scientists believe could explain how the chordates could evolve from the non-chordates. This genus is Balanoglossus, of the class Enteropneusta.

Balanoglossus is similar to a worm, whose habitat is the seabed, and like other hemicordates it has a stomach, a structure that forms part of its digestive system and fulfills the functions of a spine.

Learn more:

Chordates and non-chordates brainly.com/question/1387264

3 0
3 years ago
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