# PTE RW FIB #13: The Scientific Contributions of...

Reading & Writing: Fill in the Blanks #13 - Level 2 - Feeds Reading

> Below is a text with blanks. Click on each blank, a list of choice will appear. Select the appropriate answer choice for each blank.

Rosalind Franklin was an English scientist born in 1920. She was brilliant at using X-ray crystallography, a method to see the tiny details of molecular structures. Franklin's most famous work was on the DNA molecule, which ____ our genetic information. In the early 1950s, she took a picture known as Photo 51. This image was key to understanding the DNA structure, but Franklin's contribution was not ____ recognized at the time. Two other scientists, Watson and Crick, used Franklin's findings to build a model of DNA's double helix structure. They won a Nobel Prize for this, but Franklin did not share in the honor because Nobel Prizes are not awarded posthumously, and she had passed away by ____ . Today, we remember Franklin for her critical role in discovering the DNA structure and her ____ work in science.

## Answer

Rosalind Franklin was an English scientist born in 1920. She was brilliant at using X-ray crystallography, a method to see the tiny details of molecular structures. Franklin's most famous work was on the DNA molecule, which **carries** our genetic information. In the early 1950s, she took a picture known as Photo 51. This image was key to understanding the DNA structure, but Franklin's contribution was not **fully** recognized at the time. Two other scientists, Watson and Crick, used Franklin's findings to build a model of DNA's double helix structure. They won a Nobel Prize for this, but Franklin did not share in the honor because Nobel Prizes are not awarded posthumously, and she had passed away by **then** . Today, we remember Franklin for her critical role in discovering the DNA structure and her **pioneering** work in science.

## Explanation

Blank 3 follows "by," and you need a time word for the moment of the Nobel Prize. "By then" means before that time. "There" refers to a place, and "by that" is unfinished. In blank 2, "not fully recognized" means her work was only partly credited. "Solely" and "eagerly" do not fit that idea.

## Hints

- Look at the words immediately before and after the blank to determine the required part of speech.
- Consider the historical timeline and the specific scientific terminology used in the text.

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