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zaharov [31]
2 years ago
8

Explain what the ampullae of Lorenzini is and explain what it does

Biology
1 answer:
slava [35]2 years ago
3 0

Answer: The ampullae of Lorenzini are special sensing organs called electroreceptors, forming a network of jelly-filled pores. ... The ampullae pores are plainly visible as dark spots in the skin. They provide fish with an additional sense capable of detecting electric and magnetic fields as well as temperature gradients. The skate, a cartilaginous fish related to sharks and rays, possesses a unique electrosensitive sensory organ known as the ampullae of Lorenzini (AoL). This organ is responsible for the detection of weak electric field changes caused by the muscle contractions of their prey. brainliest

Explanation:

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What are the phases of meiosis? ( full explanation and in order )
Alexandra [31]
Interphase: -the cell replicates its chromosomes -each chromosome has two sister chromatids held together by a centromere Prophase 1 chromosomes coil up and a spindle forms -homologous chromosomes come together matched gene by gene forming a tetrad -Crossing Over may occur when chromatids exchange genetic material -this occurs two or three times per pair of homologous chromosomes -Crossing Over results in new combinations of alleles on a chromosomes Metaphase 1: -the centromere of each chromosome becomes attached to a spindle fiber -the spindle fibers pull the tetrads to the equator of the spindle -homologous chromosomes are lined up side by side as tetrads Anaphase 1: -homologous chromosomes separate and move to opposite ends of the cell -centromeres do not split -this ensures that each new cell will receive only one chromosome from each homologous pair Telophase 1: -the spindle breaks down and the chromosomes uncoil -the cytoplasm divides to yield two new cells -each cell has half the genetic information of the original cell because it has only one homologous chromosome from each pair Prophase II- -a spindle forms in each of the two new cells and the fibers attach to the chromosomes Metaphase II- -the chromosomes are pulled to the center of the cell and line up randomly at the equator Anaphase II- -the centromere of each chromosome splits the sister chromatids separate and move to opposite poles Telophase II nuclei re form  the spindles break down  the cytoplasm divides identical to mitosis (Meiosis II) What Meiosis produces four haploid sex cells from one original diploid cell each haploid cell contains one chromosome from each homologous pair haploid cells will become gametes transmitting genes to offspring

I hope this helps

4 0
3 years ago
Translation involves the synthesis of _________ and occurs in the _________.
ArbitrLikvidat [17]
Translation involves synthesis of Protein amd occurs in RNA/ Cytoplasm !!
4 0
3 years ago
Which product is missing from the stage of glycolysis? (2 points) Glucose → Pyruvate + _________ 2 ATP Oxygen Water Carbon dioxi
Elanso [62]

I  believe the terms listed after the blank space are the options given, in which case the correct answer would be 2 ATP. Hope this helped.

8 0
3 years ago
Read 2 more answers
If you have a hamster with long fur, what possible genotypes could the hamster have?
Vadim26 [7]

Answer:

Ll, Ll, LL

Explanation:

So, there is one thing we must remember to answer this:

1# dominant genes(long fur) are expressed over reccesive genes(short fur)

Knownign that dominant is over reccesive, it is simple. If the genotype was Ll or lL then the dominant long fur would be expressed over reccesive short fur. <u>Long fur - Ll, lL</u>

Next, we know that LL will be long fur since its both long and long, and there is no possibility for short fur. <u>Long fur - LL</u>

Finally. we have ll, and since there isnt a dominant long fur, and only reccesvie short, then this cannot be long fur. Short fur. - ll

8 0
2 years ago
HELP!!!!!!!!!
tino4ka555 [31]

Correct answer: C). Cells are the basic building blocks of life but do not constitute life itself

Cell theory in a biology is a scientific theory, which is universally accepted and it states that all living organism are made up of one or more cells, cell is the building block of living thing, it also states that all cell arise from ore existing cells.

The cell theory is collection of ideas and conclusion, which were given after many years of continuous research and experiment of many scientist, which tells about the cell and how it operates.



5 0
3 years ago
Read 2 more answers
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