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3 years ago

What are 3 categories of causes for cancer?

Biology

2 answers:

Natali5045456 [20]3 years ago

5 0

Smoking , radiation , viruses

mafiozo [28]3 years ago

4 0

Eating junk food all the time and eating fat foods

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1. For which of the following activities might you want to hire a chemist?

V125BC [204]

1. For which of the following activities might you want to hire a chemist?A. testing a sample of water from a well

2. Which of the following procedures involves a physical change in one of the substances?
D. grinding chalk into a fine powder

3. You have three molecules of glucose (3C6H12O6). How many oxygen atoms do you have?
C. 6

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3 years ago

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Select the correct answer from each drop-down menu. Sodium and potassium ions are essential for muscle contractions of the heart

____ [38]

Answer:

1) By breaking of ATP to ADP

2) The sodium and potassium ions are transported using active transport process!

Explanation:

In cell, the movement of ions across the membrane at the expense of energy is known as Active Transport. The energy is used in the form of ATP(Adenosine Triphosphate) that gets converted to ADP(Adenosine diphosphate) during transport. It takes the ions from high concentration to low concentration. ADP contains one less phosphate group that ATP, as their name indicates and plays a prime role in the flow of energy to the cells.

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3 years ago

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In garden peas, tall (T) vine is dominant over short (t) vine, and round pea pod (R) is dominant over wrinkled pea pod (r). Cro

Aleksandr [31]

Answer:

Explanation:

Given:

Traits

T (tall, dominant) and t (short)

R (round, dominant) and r (wrinkle)

Crossing parents

hetero-zygous. tall wrinkled (Ttrr)

phenotype tall is given hetero-zygous., so Tt

phenotype wrinkled is recessive, so must be homo-zygous rr

Foiled genotypes (Tr, tr, each with 50%)

short hetero-zygous. round (ttRr)

phenotype short is recessive, so homo-zygous rr

phenotype round is given heteroz. so Rr

Foiled genotypes (tR, tr, each with 50%)

Offsprings on a 4x4 punnett square

See diagram

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3 years ago

Mention the effects of radioactivity on the environment

gizmo_the_mogwai [7]

Just like in humans, radioactive material can damage plant tissues as well as inhibit growth. mutations are possible due to damage caused to the DNA. radioactive material in soil can prevent nutrient from being taken in by plants, causing it to be infertile.

3 0

3 years ago

Cells are grouped by the ______ they do

denis23 [38]

Structure and function-there are only TWO types of cells-prokaryotic and eukaryotic

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3 years ago