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seraphim [82]
2 years ago
9

List Five ways of a physical change

Biology
1 answer:
Pachacha [2.7K]2 years ago
7 0
<span>crushing a can.
melting an ice cube.
boiling water.
mixing sand and water.
breaking a glass.dissolving sugar and water
.shredding paper.
<span>chopping wood.</span></span>
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Imagine you are the nucleus of a plant or animal cell and have been asked to mentor an organelle that is new to the cell. Take y
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Hi
you have to write a short intoduction of the parts invovled in animal or plant cell
 
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3 years ago
The second generation phenotypes resulting from the cross of purebred monohybrid pollination will display a ratio of _____. 2:2
Art [367]
The answer is 3:1.

If we imagine that plant has two alleles for the trait, we can dominant allele represent with P represents and recessive allele with p. To get purebred monohybrid in the first generation, parents must be a dominant homozygote (PP) and a recessive hetero<span>zygote (pp):

Parental generation: PP   x   pp
The first generation: Pp  Pp  Pp  Pp

Pp represents a heterozygote.
If we cross these heterozygotes:

The first generation: Pp   x   Pp
The second generation: PP  Pp  Pp  pp

If dominant allele determines the phenotype, there will be 3 plants (one PP and two Pp) with one phenotype and only 1 plant </span><span>(pp)</span> with another phenotype and vice versa.
5 0
3 years ago
Read 2 more answers
On which bone does External Acoustic Meatus occurs?
slamgirl [31]

Answer:

External Acoustic Meatus occurs in the temporal bone

Explanation:

External Acoustic Meatus is also known as external auditory canal. This canal is circular in structure and contains cartilage, bones, ceruminous gland.

External Acoustic Meatus is located on the temporal bone. This bone is located on the the lateral side and the base of the skull. Four parts of temporal bone are mastoid, squamous, tympanic and petrous.

6 0
2 years ago
Explain what is ment by the term “water treatment”
liraira [26]
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3 years ago
Which of the following best compares the roles of the reproductive structures found in an angiosperm?
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Answer:
A) The male stamens hold the pollen, the female pistil holds the ovule, and the petals attract pollinators.

Stamens (male reproductive parts of a flower) collectively forms the male reproductive organ (androecium) in a flower whereas pistil (the female reproductive part of a flower) forms the female reproductive organ called gynoecium.

Stamen consists two parts that are anther (that produces pollens, male reproductive cells) and a stalk like structure called filament, which supports/ holds pollen producing anther.
The female pistil holds the ovule that is enclosed by ovary in flowering plants (angiosperms) and the petals in a flower attract pollinators.

Thus, option A) is the right answer.
8 0
2 years ago
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