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4 years ago

Streams and creeks are examples of

1 answer:

7 0

- Watersheds

Streams and creeks are examples of " watersheds". Aquifers and ground water are related to each other because both of them are located under the earths surface. You have to dig in order to acquire these two. Watersheds are just like catch-basins where water are stored or being flowed.

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The Sun's electromagnetic radiation is produced by

Aleks04 [339]

Answer:

<em>-Changing electric and magnetic fields </em>

Explanation:

Electromagnetic forces from the sun are formed when electric charges change their potential energy.

This electromagnetic forces are produced at different wavelengths across across the EM spectrum.

The sun also emits x-rays during solar flares.

The absorbed energy causes one or more electrons to change their location and get replaced by absorbed energy.

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4 years ago

This is the cycling of nutrients among soil, litter,plant roots, and above-ground plant parts.

kifflom [539]

Answer:

Internal Cycling

Explanation:

Internal cycling starts when the nutrients transform into ecosystems. The plants through their roots take the necessary ingredients and built them in the tissues. When tissues grow, the nutrients go back to the ground in the form of dead organic matter.

Microbes transform the organic nutrients into minerals, which are again available to the plants.

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3 years ago

The enzymes that are used to replicate a virus are synthesized by

ch4aika [34]

Answer:

i believe its option D. The host cell.

Hope this answered your question!

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2 years ago

What is the word equation for photosynthesis?

sdas [7]

<span>carbon dioxide + water —> glucose + oxygen + water</span>

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3 years ago

Some types of muscular dystrophy are X-linked recessive disorders. A mother who is a carrier for muscular dystrophy has children

marissa [1.9K]

D gene is an X-chromosome-linked gene. a) 100% will have the disease, XdY // 0% will be carriers. b) 0% will have the disease // 100% will be carriers, XDXd.

<h3>What are the séx-linked genes?</h3>

These are genes that can be found only in the X-chromosome. The inheritance pattern expressed by these genes varies from the one expressed by genes located in autosomal chromosomes.

In the exposed exampe,

- muscular dystrophy are X-linked recessive disorders

- woman ⇒ carrier for muscular dystrophy ⇒ heter0zyg0us ⇒ XDXd

- man ⇒ doesn’t have muscular dystrophy ⇒ X-chromosome with the dominant allele ⇒ XDY

- XD ⇒ chromosome rarrying the dominant allele

- Xd ⇒ chromosomes carrying the recessive allele

Cross: Man x Woman

Parentals) XDY x XDXd

Gametes) XD Y XD Xd

Punnett square) XD Xd

XD XDXd XDXd

Y XdY XdY

F1) 1/2 = 50% of the progeny will express the normal phenotype, XD-

1/2 = 50% of the progeny will have muscular dystrophy, Xd-

100% of the girls will be normal and carriers, XDXd

100% of the boys have muscular dystrophy, XdY

a. What percentage of their sons will have the disease, and what percentage of their sons will be carriers?

Considering only boys,

100% of them will have the disease, XdY
0% will be carriers.

b. What percentage of their daughters will have the disease, and what percentage of their daughters will be carriers?

Considering only girls,

0% of them will have the disease,
100% will be carriers, XDXd

You will elarn more about séx-linked genes at

brainly.com/question/15570

brainly.com/question/786413

5 0

2 years ago