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kvv77 [185]
3 years ago
5

Molecules form when atomsa. destroy electrons.b. create electrons.c. share electrons.

Biology
1 answer:
algol [13]3 years ago
5 0
Electrons are a form of matter. Einstein's matter "law" states that Matter cannot be created nor destroyed. That "law" still holds true. so a and b are out of the question. Molecules form from when atoms share electrons to have a full valence shell. Your answer is C.
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A yellow female Labrador retriever was mated with a brown male. Half of the puppies were brown, and half were yellow. Explain ho
Over [174]

Answer:

The first male was bb Ee, and the second male was bb EE.

Explanation:

In Labradors coat colour is controlled by two genes. Suppose the two genes are B and E. B produces black colour and recessive form bb gives brown colour. Gene E is epistatic over gene B in its recessive form which means that ee will produce yellow colour regardless of the genotype present of B gene.

The first case is possible if the female lab is bbee (yellow) and the male lab is bbEe (brown):

bbee X bbEe

        bE      be

be  bbEe    bbee

So half of the offspring will be brown (bbEe) and half of them will be yellow (bbee)

The second case is possible if the same female bbee mates with a brown male of different genotype which can be bbEE:

bbee X bbEE

         bE

be   bbEe

So all offspring will be brown (bbEe)

Hence, the first male was bbEe and the second male was bbEE.

6 0
3 years ago
What is the difference between pure breeding and true breeding
romanna [79]
Purebreed is where both parents are the same breed to produce an offspring of the same breed.
6 0
3 years ago
(c)
Gwar [14]

Answer:

villi is used and is very imp as it has structure like finger type which help for increase in surface area for more absorption and less wastage of water/minerals

3 0
3 years ago
7._________________________ lines your digestive tract and blood vessels. It moves food and blood through your body.
gizmo_the_mogwai [7]

Answer:

Smooth Muscle

Explanation:

In the digestive tract it's called the muscularis mucosa.

3 0
2 years ago
1. Ms. Wagner loves to eat tomatoes. She wants to plant a garden and is trying to figure out how to grow plants
SVETLANKA909090 [29]

Answer:

Independent variable: The amount of fertilizer.

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Explanation:

I can't really explain it but I am pretty sure that is the right answer. Hope it helps :)

5 0
3 years ago
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