Ap

Where is the most easily accessible energy stored in an ATP molecule?

• between the 1st and 2nd phosphate groups

• between the adenine and ribose groups

• between the 2nd and 3rd phosphate groups

• between the ribose and the 1st phosphate groups

Tags

NGSS.MS-PS3-5

When oxygen is released as a result of photosynthesis, it is a direct by-product of____

• reducing NADP+

• splitting water molecules

• chemiosmosis

• electron transfer in photosystem 1

Tags

NGSS.MS-LS1-6

What supplies the electrons that are lost in PS I?

• the electrons from PS II

• water

• glucose

• oxygen

Tags

NGSS.MS-LS1-6

Any substance that is acted upon by an enzyme is called a(n)?

• Coenzyme

• Substrate

• Vitamin

• Polypeptide

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

Which of the following conclusions can be drawn from this graph?

• The optimum pH of the enzyme is 6.6.
  

• The optimum pH of the enzyme is 5.8
  

• The enzyme’s activity increases as pH increases 5.0 to 9.0
  

• The enzyme’s activity is greater around pH of 8.0 .
  

Tags

NGSS.MS-PS1-2

What's going on in this picture?

• The enzyme is taking the red substrate and turning it blue

• The enzyme's active site is blocked by a competitive inhibitor

• The enzyme can't function if too many substrates are trying to bind

• This is an example of an anabolic enzyme reaction

Tags

NGSS.MS-LS1-7

Long distance signals involving hormones are ________ signals.

• paracrine

• synaptic

• endocrine

What is the primary function of the enzyme amylase in the human body?

• A) Break down proteins

• B) Break down carbohydrates

• C) Break down fats

• D) Break down nucleic acids

Tags

NGSS.MS-LS1-7

Which of the following elements is most abundant in the Earth's crust?

• A) Oxygen

• B) Silicon

• C) Aluminum

• D) Iron