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3 years ago

Two students are pushing a sofa across a room what is the net force applied to the sofa by the students?

Biology

1 answer:

MaRussiya [10]3 years ago

5 0

Answer:

400N

Explanation:

Hope this helps! Best of luck :)

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This is a process by which substances are transported across cell membranes by means of protein carrier molecules.

patriot [66]

This should be "(primary) active transport", transportation that requires ATP energy (and possibly carriers).

3 0

4 years ago

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For each of the diploid genotypes presented below, determine the genetic make up for all of the possible haploid gametes.

Alecsey [184]

Answer:

a. R and r

b. RY, Ry, rY, and ry

c. rY and ry

d. RY and rY

e. RYB, RYb, RyB, Ryb, rYB, rYb, ryB, and ryb

Explanation:

According to Mendelian principle, a gene is made up of 2 alleles and these alleles segregate during gametes formation to randomly unite back during fertilization. Hence;

Rr can only segregate as R and r

RrYy can segregate as RY, Ry, rY, and ry

rrYy can only segregate as rY and ry

RrYY can only segregate as RY and rY

RrYyBb can segregate as RYB, RYb, RyB, Ryb, rYB, rYb, ryB, and ryb

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3 years ago

What is an upwelling? how is it benifical?

neonofarm [45]

Answer:

is a process in which deep, cold water rises toward the surface. ... Water that rises to the surface as a result of upwelling is typically colder and is rich in nutrients. These nutrients “fertilize” surface waters, meaning that these surface waters often have high biological productivity

Explanation:

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3 years ago

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I need help with these biology questions for my finals and dont wanna fail

Tanya [424]

Answer:

[4]

1. Nasopharynx

2. Trachea

3. Lung

4. Diaphragm

Explanation:

Sorry don't know anything about plants.

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3 years ago

In this type of tilling practice, the farmer

erik [133]

Answer:

No tilling agriculture.

Explanation:

No tilling farming is a type of agricultural practice where new crops are grown without spreading the soil through the tillage. This is a very age old practice used by farmers to replant new crops.

The advantages of using thus technique are many. It helps to kill hundreds of insects, it also helps in protecting the soil by leaving crop residue, apart from this is increases the irrigation productivity. Which is why farmers prefer no tilling agriculture mainly because the long term benefits of this technique are many.

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4 years ago