Do Now 1-24 Review

Match the following

• Nucleic Acid

• Builds muscle

• Speeds up chemical reactions

• Proteins

• Lipid

• Short term energy

• Carbohydrates

• Makes up the cell membrane.

• Protein

• Stores genetic information.

If it does not rain for a long period of time, plants’ leaves will begin to wilt or sag. They have used up the water that they stored in their ___________

• Vacuole

• Chloroplast

• Mitochondria

Eukaryotes include fungi, plants, animals, and....

• bacteria

• protists

• archaebacteria

• eubacteria

Of the two types of cells, which one is smaller and more simplistic?

• prokaryotic cells

• eukaryotic cells

Why are cells in the skeletal system sturdy, where as skin cells are soft and stretchy? 

• due to the specific proteins that are synthesized (made) by specific cells

• due to DNA

• due to underlying mutations and specifications of the DNA

DNA molecule segment is : TTACGCAAG The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

• Substitution

• Deletion

• Insertion

• Inversion

How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?

• The two different cells become mutated

• The proteins expressed in each cell are different

• They actually have different DNA in the two types of cells.

• The genome of the different cells changes

Genes code for:

• proteins

• carbohydrates

• sugars

• fats

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

How do fossils provide evidence that evolution has happened on Earth?

• Fossils show how the sizes of certain animals has changed drastically over millions of years
• Fossils show that some species have gone extinct
• Fossils show how life forms present today are different than those from the past
• Different sedimentary rock layers provide evidence for how the environment has changed over time