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gladu [14]
3 years ago
15

What is the nucleolus and where is it found

Biology
1 answer:
erma4kov [3.2K]3 years ago
7 0
What is the Nucleolus?
Answer:
-The nucleolus is a round body, it makes ribosomal subunits from proteins and ribosomal RNA, a.k.a rRNA.

Where is it found?
Answer:
- It is located inside the nucleus of a eukaryotic cell.
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The answer would be b. Crossing over simply creates a higher amount of genetic variation within the daughter cell which is advantageous to sexually reproducing organisms.
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During the past 200 years, absorbed somewhere between one-third and one-half of the carbon dioxide released into the atmosphere
Anika [276]

Answer:

The correct answer would be -

1. the ocean have

2. water

3. acidic.

Explanation:

Carbon dioxide fro the atmosphere dissolves in the seawater naturally. This process can be understood by the following process:

Water and carbon dioxide reacts to form carbonic acid that can dissociate into either carbonate ion or bicarbonate ion:

1. CO2 + H2O ====> H2CO3⁻ (carbonic acid)

2. H2CO3⁻ ======> H⁺ + HCO3⁻ (bicarbonate ion)

3. H2CO3⁻ ======> 2H⁺ + CO3⁻ (carbonate ion)

Due to the presence of proton ions in seawater, seawater becomes more acidic. As hydrogen ions bind to the carbonate ions to make bicarbonate ions, the carbonate ion reduced which is required to form the

5 0
3 years ago
scientists have a great deal of responsibility why is it important for scientists to communicate their results accurately to peo
Art [367]
So other scientists can try the exact same experiment and see if they both got the same results.
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4 years ago
Use the following information to answer the question.
marysya [2.9K]

If the isthmus formed gradually rather than suddenly, the morphological species, biological species, and phylogenetic species concepts.

<h3>What is Isthmus genetical species?</h3>

The formation of the Isthmus of Panama, a slender land bridge that connects North and South America, caused the Pacific and Caribbean populations of marine organisms to split off about 3 million years ago.  On both sides of the isthmus, different species of snapping shrimp have been studied. There appeared to be seven pairs of species, with one species of each pair being found in the Pacific and the other in the Caribbean, according to the morphological species concept.

The various species pairs inhabit slightly different ocean depths. These species pairs, which are divided by the isthmus, were indeed the closest relatives of one another, according to the researchers' estimates of phylogenies based on mitochondrial DNA sequences.

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7 0
2 years ago
The ________ is a region of dense bone that surrounds and protects the membranous labyrinth. vestibule membranous callus bony ca
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The bony labyrinth is a region of dense bone that surrounds and protects the membranous labyrinth.

Labyrinth is the name given to the inner ear. It is made up of a network of interconnecting sacs and canals. The inner ear is composed of two parts: bony labyrinth and membranous labyrinth. A vestibule, three semicircular canals, and a spirally wound cochlea make up the bony labyrinth. It is perilymph-filled.

The membranous labyrinth is encircled by the bony labyrinth. It includes the hearing and balance sensory receptors. The cochlear duct, saccule, and utricle and three semicircular ducts that make up the endolymph-filled membranous labyrinth. The cristae, an organ of corti, and the ampullaris maculae are examples of sensory receptors.

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