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Digiron [165]
3 years ago
11

Which scientists melted strands of spun glass to create lenses to simulate a microscope? He was the first person to see outlines

of cells.
Biology
1 answer:
Helga [31]3 years ago
5 0
<span>The scientist who melted glass to simulate a microscope was Robert Hooke, in 1660. He was an English physicist, and he looked at insects and handheld objects. He named the cell for the cell of a monk, because to him it appeared to be a self-contained room.</span>
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Suppose the two possible alleles for the height gene are tall and short. If short is recessive to tall, provide the symbol repre
navik [9.2K]

Phenotype - short , Tall

Genotype - tt (short) , TT or Tt (tall)

<u>Explanation:</u>

In Mendelian Genetics, <em>Dominant traits</em> are represented by capital letters and <em>Recessive traits</em> are represented by small letters.

So if height is the character considered, then the traits would be short and tall.

Tall is the dominant phenotype and short is the recessive phenotype.

The alleles of the gene for height are T and t.

The genotype for Tall trait is TT or Tt.

The genotype for short trait is tt.

Therefore, the symbol representation of phenotype (Tall) is TT or Tt and for phenotype (short) is tt.

5 0
3 years ago
What two types of crust make up the lithosphere
NeX [460]
The two types of crust are oceanic and continental, the lithosphere is composed of earth's crust and upper most mantle
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3 years ago
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The law/principle that states that younger form over older layers is
Allisa [31]

Answer:

The law of superposition

Explanation:

The law of superposition is an axiom and a basic principle of sedimentary stratigraphy, it explains that the layers of sediment are deposited in a temporal sequence, in which the oldest are in a lower position than the most recent. Therefore, if there has been no deformation, the lower layers were deposited before the ones above, so they are older.

8 0
3 years ago
Which of these phases is Anaphase? <br><br><br>​
djverab [1.8K]

Answer:

C the second picture

Explanation:

  • <u>Anaphase</u> is the stage of mitosis after the process of metaphase, when replicated chromosomes are split and the newly-copied chromosomes (daughter chromatids) are moved to opposite poles of the cell. Chromosomes also reach their overall maximum condensation in late anaphase, to help chromosome segregation and the re-formation of the nucleus.
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What would be the drug of choice in an adolescent who is diagnosed with syphilis during the first trimester of pregnancy?
Arisa [49]

Answer:

Penicillin G

Explanation:

I remember this vaguely, remove or whatever if wrong.

5 0
3 years ago
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