Reviewing Making Molecules Activity Using “Remind”

Molecule model on periodic table of the elements

Remind allows teachers to send messages to students and parents regarding upcoming assignments, meetings, events, and activities.  This application also permits teachers to check which students have read their messages.  Messages can be sent to individuals, to a group, or to a class.   Remind is safe since phone numbers, which can be used to invite members, are kept confidential and members will have to download the Remind application to receive ongoing messages or they can communicate using e-mail.  Continue reading

Teacher Demo: Marshmallow DNA Model

This demonstration will provide students with a visual representation of the structure of DNA.  Students will learn the different components that make a nucleotide, the correct base-pair connection between nitrogenous bases, and visually see the double helix structure of DNA.

What happens?

In this demonstration, students will visually see what a DNA molecule looks like.  They will be able to determine the different components that makes up a nucleotide (phosphate, deoxyribose sugar, and nitrogenous base), will learn the correct base-pairing of bases in DNA (adenine always bonds with thymine and cytosine always bonds with guanine), will learn how many hydrogen bonds occur between each base pair, and will learn that phosphodiester linkages are formed between phosphate groups and deoxyribose sugars.  Students will also be able to identify the major groove and the minor groove in the double helix once the molecule is twisted.

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