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2021-05-15

Which molecule is made of a glycerol molecule attached to two fatty acid chains and a phosphate head group?

Which molecule is made of a glycerol molecule attached to two fatty acid chains and a phosphate head group?

Phospholipids

Is the cytoplasm hydrophobic or hydrophilic?

The portions of an integral membrane protein found inside the membrane are hydrophobic, while those that are exposed to the cytoplasm or extracellular fluid tend to be hydrophilic.

What are phospholipids made of?

Phospholipids are amphiphilic molecules composed of a glycerol backbone carrying a hydrophilic polar head group and two hydrophobic fatty acyl tails (Van Meer et al., 2008; Vance and Vance, 2002).

What holds phospholipids together in a bilayer formation?

What holds phospholipids together in a bilayer formation? Hydrophilic and hydrophobic interactions with water. The hydrophobic tails interact with each other and are repelled by water, while the heads are hydrophilic and are attracted to water.

Which molecule is less soluble in water a fat or phospholipid Why?

A Fat Molecule Is Less Soluble In Water Because It Has More Carbons And Hydrogens Than A Phospholipid. A Fat Molecule Is Less Soluble In Water Because It Has Three Non-polar Fatty Acids And No Polar Or Charged Head Like A Phospholipid Has.

What is another name for a condensation reaction Chapter 5?

Dehydration

What is another name of condensation reaction?

Condensation reactions are called dehydration synthesis reactions. This is because they involve the combining of molecules with the loss of water….

What is responsible for this change in taste?

What is responsible for this change in taste? Amylase breaks down the starch in the cracker into glucose monomers, which stimulate the sweet receptors in your tongue.

Which molecule is not a carbohydrate?

lipid

What do simple sugars contain?

Simple sugars are carbs with one (monosaccharide) or two (disaccharide) sugar molecules. Many healthy foods like fruit and vegetables naturally contain sugar and shouldn’t be avoided as they benefit your health. However, excess added sugar is linked to obesity and increased heart disease and cancer risk.

What is an example of a simple sugar?

simple carbohydrates (or simple sugars): including fructose, glucose, and lactose, which also are found in nutritious whole fruits. complex carbohydrates (or starches): found in foods such as starchy vegetables, whole grains, rice, and breads and cereals.

What are three examples of simple carbs?

Common simple carbs added to foods include:

  • raw sugar.
  • brown sugar.
  • corn syrup and high-fructose corn syrup.
  • glucose, fructose, and sucrose.
  • fruit juice concentrate.

Why do I feel tired and crave sugar?

Sleep and sugar cravings It also decreases levels of the appetite-suppressing hormone leptin. When you’re tired, you may also tend to turn toward foods that give you a quick, easy fix of energy—like sugar. That’s why many of us start craving sweets after a long, tiring day.

Why do I crave carbs and sugar?

Foods high in sugars or other carbohydrates commonly cause cravings, and these can be especially difficult to control. Sweet foods and those rich in other carbohydrates fire off feel-good chemicals like serotonin, dopamine, and other relaxing endorphins in the brain.

How do I give up carbs and sugar?

Here are 15 easy ways to reduce your carb intake.

  1. Eliminate Sugar-Sweetened Drinks.
  2. Cut Back on Bread.
  3. Stop Drinking Fruit Juice.
  4. Choose Low-Carb Snacks.
  5. Eat Eggs or Other Low-Carb Breakfast Foods.
  6. Use These Sweeteners Instead of Sugar.
  7. Ask for Veggies Instead of Potatoes or Bread at Restaurants.