1st Semester Exam Review 2024

What biomolecule is represented by this diagram?

• Nucleic Acid

• Monosaccharide

• Protein

• Lipid

Enzyme reaction rate is affected by all of the following EXCEPT:

• inhibitors

• temoerature

• pH

• color of light

A _____________ happens when a subtance is broken down into simpler molecule or when a subtance is built up into a complex molecule.

• chemical equilibrium

• ion formation

• chemical reaction

• hydrogen bonding

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

Which of the following is the correct format for a chemical reaction?

• reactants ------> products

• reactants -------> substrates

• products --------> reactants

• products -------> subtrates

Which reaction line occured in the presence of an enzyme?

• Blue line reaction

• Red line reaction

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

The four main types of biomolecules are carbohydrates, lipids, nucleic acids, and ________________.

• Starches

• Fatty acids

• Nucleotide

• Proteins

Many land plants store energy in complex carbohydrates such as starch. When energy is needed, the starch molecules can be broken down quickly. This chemical reaction (photosynthesis) produces (glucose) which is which of the following monomers?

• amino acids

• lipids

• monosaccharides

• RNA chains

The monomer of proteins:

• glucose

• Fatty acids

• nucleotide

• amino acids

Tags

NGSS.HS-LS1-6

All of the following are functions of proteins except:

• Give structure and support to tissues

• Long term energy storage

• Act as catalystis to speed up chemical reactions

• Important part of immune systems

Tags

NGSS.HS-LS1-6

Function of nucleotides:

• Storing energy

• Catalyzing cellular reactions

• Building tissue

• Storing genetic information

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1