Shared Flashcard Set

Details

2nd semester final review (2021)
2nd semester final review
61
Biology
9th Grade
05/16/2017

Additional Biology Flashcards

 


 

Cards

Term
What is the study of living things?
Definition
biology
Term
Why is water a polar molecule?
Definition
partial positive and negative charges
Term
What are all compounds that have carbon classified as?
Definition
organic
Term
What are examples of nucleic acids?
Definition
DNA, RNA
Term
What are polysaccharides examples of?
Definition
carbohydrates
Term
What type of organic compound is glucose?
Definition
carbohydrate
Term
What is the monomer of protein
Definition
amino acids
Term
Sucrose and water are created from fructose and glucose in what type of reaction?
Definition
dehydration synthesis
Term
What type of molecules are lipids?
Definition
non-polar
Term
What are enzymes?
Definition
molecules that decrease activation energy to speed up reactions
Term
What are substrates?
Definition
reactants that enzymes act upon
Term
Is photosynthesis an endothermic or exothermic reaction?
Definition
endothermic - absorbs energy
Term
What is the optimum temperature for enzymes in the human body?
Definition
35-39 C
Term
How does the body use glucose?
Definition
source of energy
Term
What purpose does the layer of fat in the skin serve?
Definition
insulation
Term
What protein carries oxygen in the blood?
Definition
hemoglobin
Term
What type of reproduction is used to create gametes?
Definition
sexual
Term
What type of reproduction produces genetic diversity
Definition
sexual
Term
What types of organisms can be autotrophic?
Definition
plants, algae, some bacteria
Term
What is the building block of all organisms?
Definition
cells
Term
What are heterotrophs?
Definition
consume other organisms or their remains for energy
Term
How do ectothermic organisms maintain homeostasis for temperature?
Definition
use external environmental factors
Term
How do endothermic organisms maintain homeostasis for temperature?
Definition
use internal heat sources
Term
What is homeostasis?
Definition
maintaining a balance within cells and the environment, a stable internal environment
Term
What domain is the white oak tree found in?
Definition
Eukarya
Term
What process creates two cells that are genetically identical to their parent cell?
Definition
mitosis
Term
Why are plants considered to be autotrophs?
Definition
photosynthesis
Term
The release of oxytocin during childbirth is an example of what type of feedback?
Definition
positive
Term
What is photoperiodism?
Definition
flowers bloom based on the length of the day or night
Term
What is differentiation?
Definition
stem cells change to become different types of cells
Term
What type of cells have no nucleus or membrane bound organelles?
Definition
prokaryotic
Term
What is photosynthesis?
Definition
process in which light energy is used to create complex compounds like glucose
Term
What is the ultimate source of energy for all living things on Earth?
Definition
sun
Term
Why is chlorophyll green?
Definition
reflects green wavelengths of light
Term
What occurs in a chloroplast?
Definition
photosynthesis
Term
What is the source of the oxygen released in photosynthesis?
Definition
water
Term
In PSI, what captures the excited electrons and moves them to the Calvin Cycle?
Definition
NADPH
Term
What happens to the light energy in chlorophyll?
Definition
raises electrons to a higher energy level
Term
What is the role of ATP in photosynthesis?
Definition
transfers energy from light to Calvin Cycle
Term
What is released to the atmosphere from photosynthesis that allows aerobic respiration to occur?
Definition
oxygen
Term
Name the two products of the light reaction that are used in the dark reaction.
Definition
ATP & NADPH
Term
What is the product of the Calvin Cycle?
Definition
glucose
Term
What is the Calvin Cycle?
Definition
series of reactions in the stroma that create complex carbohydrates
Term
Where do all carbon atoms in organic compounds come from originally?
Definition
carbon dioxide
Term
What molecule do cells use for energy to perform the functions of life?
Definition
ATP
Term
What is cellular respiration?
Definition
breaks down food to release stored energy
Term
What does glycolysis mean?
Definition
splitting glucose
Term
What compound enters the Krebs Cycle?
Definition
Acetyl CoA
Term
What is released when a person loses weight?
Definition
carbon dioxide
Term
What are the three parts of aerobic respiration?
Definition
glycolysis, Krebs Cycle, electron transport chain
Term
How does the electron transport chain end?
Definition
formation of water
Term
What is another name for anaerobic respiration?
Definition
fermentation
Term
What is created in muscles when there isn't enough oxygen?
Definition
lactic acid
Term

[image]

Which reaction occurred in the presence of an enzyme?

Definition
Reaction 3 - lower activation energy
Term

[image]

What part of the amino acid is inside the black box?

Definition
amine
Term

[image]

What part of the amino acid is inside the black box?

Definition
carboxyl
Term

[image]

Which graph is exothermic?

Definition
Graph A - reactants have more energy than products
Term

[image]

What is represented in this graph?

Definition
Negative feedback
Term

[image]

What is the effect of increasing light intensity on the rate of photosynthesis?

Definition
Increases, but only to a certain point
Term

What is this equation?

 

[image]

Definition
Cellular (aerobic) respiration
Term

What is molecule A in the equation below?

 

[image]

Definition
ATP
Supporting users have an ad free experience!