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Pavel [41]
3 years ago
7

Some mechanical advantage is lost to friction true or false

Biology
1 answer:
elena55 [62]3 years ago
3 0
Answer:

False.

Explanation:

According to research, mechanical advantage “does not account for friction, actual mechanical advantage does.” If it were efficient, it wouldn’t have any energy losses to friction.
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Don't use the exact words, I copied it from an FDA website so change the wording first before you submit. Good luck Lol.


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3 years ago
Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an F2 gener
pashok25 [27]

Answer:

C. The green allele is recessive to the yellow allele

Explanation:

Complete dominance occurs when one gene variant or allele referred to as the 'dominant allele' completely masks the expression of another allele referred to as the 'recessive allele' in heterozygous individuals, i.e., in individuals carrying one copy of the dominant allele and one copy of the recessive allele for a particular locus/gene (whereas homo-zygous individuals carry the same alleles for a given locus/gene). Mendel crossed pure lines of pea plants, i.e., homo-zygous lines for different traits such as seed color (yellow and green) and seed shape (round and wrinkled). In this case, the parental cross was YY x yy, where the 'Y' allele is dominant and encodes for yellow seed color, and the 'y' allele is recessive and encodes for green seed color. From this cross, Mendel obtained a hybrid F1 (i.e., all progeny was heterozygous with genotype Yy). An expected 3:1 ratio as observed in this case (6,022 yellow and 2,001 green seed >> 3:1 ratio) is characteristic of the progeny that results from mating between F1 heterozygous parents, where each parent has one dominant allele and one recessive allele, i.e., F1 parental cross: Yy x Yy >> F2: 1/4 YY (yellow color); 1/2 Yy (yellow color); 1/4 (green color) >> 3:1 ratio of yellow to green seeds.

4 0
3 years ago
g Large, complex aquatic organisms and all terrestrial ones Group of answer choices are ureotelic. or ammonotelic. evolved speci
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Answer:

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Explanation:

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8 0
3 years ago
Just as energy flows through an ecosystem, matter also moves from organism to organism and from organisms to the environment. Us
ser-zykov [4K]

Answer:through carbon cycle

Explanation: look up for the word and also look at the diagrams for better understanding

3 0
3 years ago
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