The number of waves passing a given point in one second is the

Biology

1 answer:

zimovet [89]3 years ago

5 0

This is the definition for frequency, it measures how many waves can be transmitted in one second. The shorter the wavelength the greater the number of waves that will pass in a second, compared to larger waves.

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19. How did the evolution of the jaw contribute to diversification of early vertebrate lineages? A) It allowed for smaller body

Dvinal [7]

The evolution of the jaw contribute to diversification of early vertebrate lineages is It made additional food sources available.

<h3>What is evolution?</h3>

Evolution is the shift in a biological population's heritable traits over successive generations. These traits are the result of genes that are expressed during reproduction and transferred from parent to offspring. Mutation, genetic recombination, and other causes of genetic diversity frequently result in different traits existing within a population. When these variations are subjected to evolutionary processes like natural selection (which includes sexual selection) and genetic drift, specific traits within a population start to become more or less prevalent. This is when evolution happens.

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2 years ago

DNA, the genetic material of living organisms, is damaged by light in the

insens350 [35]

Answer:

The correct option is <em>B) ultraviolet region, especially below a wavelength of 320 nm.</em>

Explanation:

Ultraviolet light carries an enormous amount of energy in it. It is invisible to the human eye. When UV light with enormous energy and wavelength lesser than 320nm, hits the DNA, it causes changes in the structure of the DNA. Mostly, it affects the thymine nitrogenous base regions and forms pyrimidine dimers. The structure of the DNA changes on all the sites where dimers form and hence, they cannot be properly transcribed.

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2 years ago

What ultimately controls the cell's production of proteins? A. DNA B. RNA C. protein D. allele

Alona [7]

DNA is the ultimate control of cell's productions. So A.

3 0

3 years ago

Please give the answer fast .<br><br>I will mark you as brainliest.

Vika [28.1K]

I don't think so much for all your friends and family

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3 years ago

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What are the phases of Mitosis and what happens in each phase?

Norma-Jean [14]

Interphase: Chromosomes duplicate, and the copies remain attached to each other.

Prophase: In the nucleus, chromosomes condense and become visible. Spindle fibers begin to form.

Prometaphase: The nulcear membrane breaks apart, and the spindle starts to interact with the chromosomes.

Metaphase: The copied chromosomes align in the middle of the spindle.

Anaphase: Chromosomes separate into two genetically identical groups and move to opposite ends of the spindle.

Telophase: Nuclear membranes form around each of the two sets of chromosomes, they begin to spread out, and the spindle begins to break down.

Cytokinesis: The two cells split into two daughter cells, each with the same number of chromosomes as the parent cell.

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2 years ago