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nata0808 [166]
3 years ago
9

Explain how the scales on some fishes can be used to estimate the age of those fishes

Biology
1 answer:
DedPeter [7]3 years ago
3 0
Amount of wear, and how long they are may contribute with age and maybe even coloration and pigment. 
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Please help!!! Will mark brainliest!!!
mixas84 [53]

the answers are 1 3 4 and 5

4 0
3 years ago
One difference between human cheek cells and onion cell is
gregori [183]
As in all animal cells<span>, the </span>cells<span> of the </span>human cheek<span> do not possess a </span>cell<span> wall. A </span>cell<span>membrane that is semi-permeable surrounds the cytoplasm. Unlike plant </span>cells<span>, the cytoplasm in an animal </span>cell is<span> denser, granular and occupies a larger space. The vacuole in an an animal </span>cell is<span> smaller in size, or absent.</span>
3 0
3 years ago
Read 2 more answers
Which factor below would be least likely to cause a mutation in the cells of an organism.
USPshnik [31]
A) A sound wave

The other 3 create mutations, are cells are hit by sound waves all the time and experience no mutations because of it



3 0
3 years ago
A red carnation is crossed with a white carnation. Neither one is dominate over the other. This means that when crossed, their o
professor190 [17]

The color that the new generation's offspring show will be red, pink, and white.

The young creation of living things is called an offspring, which can be created by a single organism or, in the event of sexual reproduction, by two organisms. A group of offspring is sometimes referred to as a brood or progeny in a more generic sense.

All of the pink-flowered progeny are produced when a red-flowered plant and a white-flowered plant are crossed. This cross serves as an example of the incomplete dominance of red and white. The mixing of both alleles results in this circumstance. Gene interaction known as incomplete dominance occurs when only one of two alleles of a gene at a locus is fully expressed, frequently leading to an intermediate or distinct phenotype. Additionally called partial dominance.

 

CRCW × CRCW = CRCR, CRCW, CWCW i.e, red, pink, and white.

The complete question is:

A red carnation is crossed with a white carnation: Neither one is 3 Fonts dominate over the other: This means that when crossed, their offspring can show pink flower The parent generation genotypes are: CR CR and CW CW (RED x WHITE) An offspring showing pink flowers (CR CW) from the parent generation is now being bred with another pink flower (CR CW) What color will this new generation's offspring show?

To know more about incomplete dominance refer to:   brainly.com/question/14053639

#SPJ4

3 0
2 years ago
select the cell cycle impairments that you predict would lead to cancer. recall that cancer arises from unregulated, repeated ce
Vera_Pavlovna [14]

Cancer cells can arise in a variety of ways, the most common, however, tends to be genetic mutations.

Genetic mutations can occur during the life of a cell due to outside factors such as:

  • The <u>food </u>we eat
  • The <u>environment </u>we expose the cell to
  • The <u>substances </u>that touch the cell (e.g skin cells)

That being said, the most common time for a genetic mutation to take place is during cellular division. During this time the DNA that encodes the cells is duplicated. Genetic mutations in this DNA sometimes cause the elimination of  <u>programmed cell death</u>.

<u>Programmed cell death </u>is what tells a cell when it should stop growing and dividing. This is a <u>regulatory function </u>designed to keep the number of cells at a balance, growing only when needed. As this cell multiplies, this produces an increasing number of cells that will not die. The <u>accumulation </u>of these cells is referred to as cancer.

To learn more visit:

brainly.com/question/436553?referrer=searchResults

4 0
2 years ago
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