B1.1 Carbs and Lipid review

Sort the molecules

Groups:

(a) Cellulose

,

(b) Amylose

,

(c) Glycogen

• 
• 
• 

Tags

NGSS.HS-LS1-6

NGSS.HS-PS1-2

Sort the lipids

Groups:

(a) Triglyceride

,

(b) Phospholipid

,

(c) Steroid

• 
• used for energy storage & insulation

• 
• three fatty acid chains linked to a glycerol molecule

• 4 linked carbon rings

• signalling molecules

• 
• glycerol molecule linked to two fatty acid chains and one phosphate group

• principle component of cell membranes

Sort the molecules

Groups:

(a) α-glucose molecule

,

(b) Amino Acid

,

(c) triglyceride

,

(d) Steriod

• shown by the amine (NH2​) and carboxyl (COOH) group

• 
• 
• four linked carbon rings

• hexagonal structure and molecular formula, C6​H₁₂O6​

• 
• R group on the central carbon

• 
• three long fatty acids attached to the glycerol molecule.

A cell membrane is formed of two layers of ​ ​ (a)   whereby ​ (b)   phosphate heads face the ​ (c)   of the cell (cell interior) and the cell's environment (exterior) while the ​ (d)   lipid tails face ​ (e)   and form the interior of the membrane.

• hydrophilic
• hydrophobic
• cytoplasm
• each other
• phospholipids

What important ideas and information do you observe while watching the video on phospholipid membranes?

Starch is a ​ (a)   used for ​ (b)   . It can be found as granules in the chloroplast of leaves.

These granules are located in the ​ (c)   , which is the fluid surrounding the ​ (d)  

• polysacchoride
• energy storage
• stroma
• thylakoids

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

​ (a)   are key components of ​ (b)   cellular membranes.

Phospholipid membranes are a part of: cell membrane, chloroplast membrane and ​ (c)   membrane

• Lipids
• phospholipid
• thylakoid

​ (a)   is a polysaccharide used for structure.

It is ​ (b)   and forms linear chains

This makes it a key part of the cell ​ (c)  

• Cellulose
• insoluble
• soluble
• wall
• membrane

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

What important ideas and information do you observe from this video on condensation reactions?

Tags

NGSS.HS-LS1-6

Draw the products of the reaction between the two monosaccharides shown in the diagram below

Tags

NGSS.HS-LS1-6