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DanielleElmas [232]
3 years ago
14

Besides helping to discover the structure of DNA, describe two other contributions Rosalind Franklin made to the world of scienc

e.​
Biology
1 answer:
Rainbow [258]3 years ago
4 0

Answer: Rosalind Franklin discovered the density of DNA and, more importantly, established that the molecule existed in a helical conformation. Her work to make clearer X-ray patterns of DNA molecules laid the foundation for James Watson and Francis Crick's suggestion that DNA is a double-helix polymer in 1953.

Explanation:

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Trilobites were abundant in Pennsylvania. Trilobites were among the first of the arthropods, a phylum of hard-shelled creatures
MaRussiya [10]

Hi!

It would be D, because trilobites were aquatic.

Hope this helps!

4 0
3 years ago
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A(n) ________ acid is an acid that can leave solution and enter the atmosphere.
mrs_skeptik [129]
A volatile acid can leave the solution and enter the atmosphere
8 0
3 years ago
Can someone help match these defenitions.
luda_lava [24]

The right matches are:

1. nuclear envelope  is matched with b.

2.centriole  is matched with  a.

3.interphase is matched with j.

4.furrowing  is matched with h.  

5.anaphase  is matched with g.

6.spindle apparatus is matched with f.

7.chromatin is matched with i.

8.haploid is matched with c.

9.meiosis is matched with e.  

10.homologous chromosomes is matched with d.


Cell division consists of the formation of two or more cells from a single cell, which ensures their numerical growth. During mitosis of a cell, each daughter cell is identical to the mother cell. During meiosis, the mother cell gives two haploid daughter cells with n chromosomes, then each of these daughter cells give two n chromatid cells.

May be some word in this exercise are not very common like:

The mitotic spindle, allows chromatid migration during cell division.

The dividing groove is the invagination of the cell surface that allows the cell to divide in two.

Centriole is a specific cell element of animal cells, which form the centrosomes located at both poles of the cell.


8 0
3 years ago
The part of a cell that is in most direct contact with the environment is the (a) nucleus (b) cell membrane (c) mitochondrion (d
Darya [45]

Not sure if I'm correct but my best guess is the cell membrane seeing as it surrounds the cell itself and is responsible for allowing certain molecules to diffuse in or out of the cell. Good Luck! :)

3 0
3 years ago
Read 2 more answers
Fill in the blanks to complete each sentence about dry climates.
Savatey [412]

Dry climates do not have sufficient precipitation during the most of the year.

Desert are located in the arid climate.

The semiarid climate is in a grassland, or steppe, region.

4 0
3 years ago
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