Why is the nucleus called the "control center" of the cell.

• The nucleus controls all cell activities that occur in the cell.

• The nucleus makes ribosomes.

• The nucleus is responsible for creating energy for the cell.

• The nucleus helps build proteins.

Tags

NGSS.MS-LS1-2

In a eukaryotic, multicellular organism where are chromosomes and DNA located?

• Ribosomes

• Mitochondria

• Nucleus

• Cytoplasm

What two scientists established the structure of DNA?

• Watson and Crick

• Watson and Pasteur

• Crick and Pasteur

• Pasteur and Hooke

What are the four nitrogen bases that make up the rungs of the DNA ladder?

• Adenine, Thymine, Guanine, and Cytosine

• Adenine, Thymine, Uracil, and Cytosine

• Adenine, Phosphate, Deoxyribose Sugar, and Thymine

• There are no nitrogen bases in DNA.

What sugar is found in DNA? RNA?

• deoxyribose- DNA

  ribose- RNA

• deoxyribose-RNA

  ribose- DNA

• sucrose- RNA

  ribose- DNA

• lactose- DNA

  sucrose- RNA

What are the sides or backbone of the DNA ladder made of?

• Phosphate and Deoxyribose Sugar

• Phosphate and Adenine

• Deoxyrobose Sugar and Thymine

• Thymine and a Hydrogen Bond

The nitrogen bases in DNA can only pair up with another specific nitrogen base. Select all of the following CORRECT nitrogen base pairings.

• Adenine and Guanine

• Cytosine and Guanine

• Thymine and Adenine

• Thymine and Cytosine

One side of DNA has a sequence of ATCGGATT. What would be the sequence of the complimentary strand?

• TAGCCTAA

• TCCAACCG

• TAGGGAAA

• TACCCTAA

What is the shape of DNA?

• Single Strand

• Double Helix

• Triple Strand

• Twisted Helix

Why is DNA called the "Blueprint of Life"?

• DNA is called the blueprint of life because DNA is responsible for telling exactly how to build every aspect of an organism.

• DNA is called the blueprint of life because DNA is responsible for producing all of the energy for an organism.

• DNA is called the blueprint of life because DNA is responsible for creating protein for an organism.

• DNA is called the blueprint of life because DNA is responsible for allowing movement of materials throughout an organism.