Flashcards in test two Deck (30)
what is energy?
the ability to do work
excess carbs in our bodies are ______
stored as fat
humans evolve an adaptation to store fat in response to _____
which macro molecules have the greatest calorie value per gram?
which macromolecules have the least calorie value per gram?
the color of an object we see is the color that it______
in plants light energy is collected by which organelle?
the principle that energy is neither created nor destroyed, but can change forms
conservation of energy
animal movement requires a conversion of energy from ____ to ____
chemical to kinetic energy
all energy in the biological world ultimately originates from
our bodies are designed for long term energy storage of
triglycerides in fat cells
glycogen is made up of
glycogen for the short term energy storage is
liver and muscle cells
what is the difference between a calorie and a Calorie?
a Calorie equals 1000 calories
macronutrients provided by food include
protein, carbohydrates, fats,
organic molecule that is not considered a macronutrient
grains are a rich source of
dairy products are a good source of these macronutrients
proteins and fats
legumes are a good source of these macronutrients
nutrients our body needs in large amounts
in the process of digestion, proteins are broken down into ______, while carbs are broken down into _____
amino acids; sugars
complex carbohydrates are made up of smaller
which of the following will be broken down into amino acids by the digestive system?
cells utilize these macromolecules for energy requirements
Rate of reaction, active site, enzyme substrate binding, products produced
an organism that can carry out photosynthesis is an
autotrophs are useful because
they remove carbon dioxide from the air, add oxygen, a source of food, source of fuel
an autotroph ultimately gets its energy from the
which molecules are produced by autotrophs during photosynthesis?
glucose and oxygen