Category: Biology

Posts for EDHS Biology

First Five December 7/8

A cell undergoing mitosis, a form of asexual reproduction, divides.  The original parent cell had 20 chromosomes.  How many chromosomes did each of the two resulting daughter cells contain? How does the DNA found in the nucleus control all cell activities?

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First Five Dec. 4

What is the building block of a protein?  Which organelle has the function of assembling proteins? DNA is located in which organelle? What does the nucleotide sequence in DNA code for?

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First Five Dec. 5/6

What does the m in mRNA stand for?  How does it explain its function? What does the t in tRNA stand for? How does it explain its function? What has to happen for the process below to work?

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First Five Nov. 30/Dec. 1

Explain how and where DNA Replication occurs and how this fits into the cell cycle and the process of mitosis.

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First Five November 28/29

 If a DNA strand has 30% Adenine (A) , what percentage of Cytosine (C) would there be?  Why is this cartoon funny?  

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First Five November 27

What is the structure of DNA? How does the structure of DNA help it make copies of itself What is the building block of DNA? Can you draw and label the three parts? (Think back to Benchmark 1 and the

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First Five November 16

The diagram below represents early embryonic development.  Which process is represented by the arrows? What process would eventually occur to develop into an adult organism? What is a major difference in the separation of daughter cells during cytokinesis in the cell cycle  between plant

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First Five November 14/15

Even in an adult, some cells continue to divide.  Why is cell division useful even in an adult who is no longer growing?  (Hint: Think about what happens when you have an injury that scrapes off some of your skin.

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First Five November 13

What does the cartoon below mean? What is cloning? How would you make a clone of something?

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First Five Nov. 8/9

When you grow are your cells getting bigger or are they creating more? Explain your answer with evidence from what we’ve already learned in class about cells and homeostasis. If you get a cut what’s happening to your cells? What

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