Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

AP bio prep

QuestionAnswer
What are the subunits that make up cellulose? glucose (beta form)
What are the three phases of the ovarian cycle? The follicular phase, ovulation, and the luteal phase
What hormone(s) induc the flight or fight response? Norepinephrine and epinephrine
What's another name for anitbodies? Immunoglobins
What type of muscle in humans is attached to bones and causes movements of the body? Skeletal
If species mate at different times of the year, what kind of reproductive isolation is occurring? temporal
_________ are sites where genetic material is exchanged between nonsister homologopus chromatids, a process called _________. Chiasmata, crossing over
Meiosis or Mitosis: consists of two groups of divisions Meiosis
Meiosis or Mitosis: cells that eventually form will be haploid Meiosis
What is the process of making ATP from ADP and P, using energy from light, and starting in photosystem 2? Noncyclic Photophosphorylation
Why does CAM photosynthesis occur in plants in environments similar to cacti? Photosynthesis can occur during the day while the stomata are closed, greatly reducing H20 loss.
What is taking place when one gene affects the phenotypic expression of a second gene? Epistasis
What is taking place when a single gene has more than one phenotypic expression? Pleiotropy
What is the difference between genotype and phenotype? Genotype represents the actual alleles while phenotype is the actual expression of a gene.
What two molecules make up sucrose? Glucose and fructose
What does the hydroxyl functional group look like? -OH
What makes up triglyceride? A glycerol and three fatty acids.
Hydrogen bonding relates to what type of structure of proteins? Secondary
Protein attachments between adjacent animal cells are known as...? anchoring junctions
If oxygen is not present, this type of respiration occurs? Anerobic
Photosynthesis relates to the production of ___? glucose
What domain contains the most primitive prokaryotes? (archaebacteria)
Type of symbiosis between rhizobia and root nodules mutualism
Person who predicted that conditions of early Earth favored spontaneous formation of polymers oparin
treats contaminated soil or groundwater in the location where it was found. Usually microorganisms are pumped into the soil or ground water so the contaminated soil and water can be broken down In-Situ bioremediation
The original precursors to life that were aggregates of polymers that had some response to the environment protobionts
Blood Composition of plasma 58%
What type of horome is ADH, where is it located,and what is its job in the human body? peptide, kidney, promotes water retention posterior pituitary
Why does a belly flop hurt? surface tension is the resistance to an object entering liquid due to the "skin" formed by the attraction of like molecules.
Somatic cells have how many copies of each chromosome 2
gametes have how many chromosomes 23
Why are Koch's postulates used to isolate the cause of a disease
During DNA replication what is the job of helicase unzip the DNA
Down Syndrome is the trisomy of which chromosome 21st
Explain a redox reaction any reaction where one molecule gains electrons and another loses them
what are two results of glycolysis 2 pyruvic acid molecules
what is an example of a c3 plant rice, wheat, soybeans
Is exocytosis passive or active transport active
What Theory that explains evolution of chlroplasts and mitochondria (endosymbiosis
Chemicals released by some bacteria that can cause problems like botulism ) endotoxins)
What is type of hormone is Oxycontin, and what is the target tissue and its role peptide uterus promotes labor contractions posterior pituitary peptide, uterus, promotes labor contractions posterior pituitary
What is the term for water sticking together to form drops and surface tension? Cohesion
Why is sweating so effective in cooling the body? The high heat of vaporization means that a great deal of energy is taken from the skin to evaporate the sweat.
What causes water to stick to the sides of the tubes in the xylem of plants? Capillary action.
Why does ice float in water? Water is denser in liquid form.
What is the name for this process: One monomer provides a hydroxyl group while the other provides a hydrogen atom to form a water molecule Condensation/Dehydration reaction
What is the name for this process: bonds between monomers are broken by adding water Hydrolysis
What is the most common composition of lipids? One glycerol head and three fatty acids
How do Phospholipids differ from lipids? 2 fatty acids instead of 3
What is the function of membrane proteins? •transport •enzymatic activity •signal transduction •intercellular joining •cell-cell recognition •ECM attachment
What is Diffusion? The tendency of any molecule to spread out into available space
What is Active Transport? The movement of a substance against its concentration gradient with the help of cellular energy
What is Endocytosis? The import of macromolecules by forming new vesicles with the plasma membrane phagocytosis (eating) pinocytosis (drinking)
What are Evolution’s Core Principles? Common descent with modification and natural selection.
What is Common descent with modification? The idea that all animals have a common ancestor, and evolved into new species over time.
What are Darwin's first 3 observations? Observation 1: Left unchecked, the number of organisms of each species will increase exponentially, generation to generation. Observation 2: In nature, populations tend to remain stable in size. Observation 3: Environmental resources are limited.
What are Darwin's 4th and 5th observations? (Sorry, did not fit in one card) Observation 4: Individuals of a population vary extensively in their characteristics with no two individuals being exactly alike. Observation 5: Much of this variation between individuals is heritable.
What is Divergent evolution? It is the evolution of the same ancestral part, such as a flipper, into a new function, such as hands or wings.
What is the formula for cellular respiration? C6H12O6 + 6CO2 = 6O2 + 6H20 + 36 ATP
What are Redox Reactions? Any reaction in which one molecule gains electrons and another loses them
What is Substrate level phosphorylation? The production of ATP molecules directly from the processes of glycolysis or the Krebs cycle. Oxygen is NOT used to create the ATP.
What happens during glycolysis? 2 ATP, 2NADH (converted to FADH2) = 6 ATP (only 2 each for NADH made here)
What happens in the ETC? FADH2 and NADH are passed down the ETC, giving energy to ADP to create ATP: 28-30 ATP are made this way.
What cell part does the antibiotic penicillin attack? Cell Wall
What are the two parts of all viruses? Capsid and genes
What is the term for the process by which atmospheric nitrogen is converted to ammonia? Nitrogen Fixation
What are some differences and similarities between cilia and flagella? Cilia- multiple tiny hair like structures. Flagella- a whip-like structure. usually only one or two on any cell. Both cilia and flagella help cell to move.
1. What is the exoskeleton made of? chitin
2. What germ layer becomes the muscles? mesoderm
3. Name some characteristics of arthropods: Complete digested tract, segmented body plan, triploblastic, eucoelomate, etc
4. What are the orders of insects? odonata, lepidoptera, siphonoptera, diptera, coleopteran, hymenoptera
1. How is electrophoresis used in Biotechnology experiments? used to separate DNA fragments. Helps find “good” gene to use for biotech experiments.
2. What’s a knockout gene? Gene that is disabled to what its function is.
3. Explain the selecting agent and the screening agent. Selecting agent is the gene that determines if plasmid gets into the bacterium. The screening agent is the gene that determines if the right gene got into the plasmid.
4. What direction does DNA travel? Down or towards the negative charge.
1. What is the exocrine gland? secretes chemicals into ducts.
2. What are Schwann cells? cells that make up the myelin sheath of a nerve cell.
3. How do steroid hormones act on a cell? Why does it make sense that steroid hormones can pass through the cell membrane and peptide hormones cannot? Steroids go through the cell membrane and to the nucleus where they bind to DNA. Steroids are fat soluble, while peptides are not.
4. Define Islets of Langerhans. What do alpha and beta cells each secrete? The islets of Langerhans are clusters of endocrine cells that secrete two hormones directly into the circulatory system. Each islet has a population of alpha and beta cells. Alpha cells secret glucose and beta cells secrete insulin.
1. What is the difference between exergonic reactions and endergonic reactions? Exergonic release energy while endergonic require energy.
2. What element found in chitin is not usually found in carbohydrates? Nitrogen
3. Name two monosaccharides. Fructose and glucose
4. Which protein conformation involes alpha helices and beta sheets? Secondary structure.
What are the two hormones are released by the Posterior Pituitary glad? Oxytocin, and ADH
How are restriction enzymes used in Biotechnology experiments? They are used to cut the DNA at restriction sites, creating sticky ends that can be sealed with other corresponding sticky ends.
What are the five conditions of a Hardy-Weinberg population? 1) the breeding populations is large(prevents genetic drift) 2) mating is random 3) no mutation of alleles 4) no differential migration (emigration and immigration) 5) no natural selection (differential reproductive success/survival)
What is the main thing that Griffith discovered in 1928? Transformation (that bacteria will take and express loose traits)
What are the three advantages of sexual reproduction? 1) easier and faster 2) no loss of energy on mating cycles, finding a mate 3) no genetic variation, so uniformity allows organisms to find a niche where they can function optimally
What are the Macromolecules that do not contain N? Lipids and Carbohydrates
What is lacking in muscle cells that causes fermentation to occur? a lack of oxygen reaching the cells
Where does the energy come from in cellular respiration? glucose
During what phase of interphase do chromosomes are copied? s phase
What type of inheritance occurs if there is one gene that allows for the production of melanin and another gene that allows for the deposition of melanin into the cell? Epistasis
Where are tight junctions most commonly found? Epithelial tissues
What do epithelial cells of capillaries use pinocytosis for? The liquid portion of the blood
What happens to materials engulfed by phagocytes? They are broken down by enzymes and lysosomes
What are proteins that come out of the Rough ER most commonly used for/as? Secretion/ creation of lysosomes/ replacement of membrane proteins
What are the steps of a protein going through the golgi body? The Rough ER sends proteins in vesicles to the golgi body. The golgi body detects chemical tags on the proteins and then sends them in new vesicles to their destination.
What antigens do type O blood have? No antigens
What is not able to be broken down by people with PKU? The amino acid phenylalanine
What causes the “sickling” shape of red blood cells for people with Sickle-cell anemia? A mutation in the hemoglobin protein
Name the molecules included in “CAPORG”. CO2, Acetyl CoA, Pyruvate (PGAL), Oxaloacetate, RuBP, Glucose
How many ATP are produced from Lactic Acid Fermentation? 2
What are the waste products of cellular respiration? ATP and CO2
What are two examples of CAM plants? Cacti and Pineapples
What is the CO2 acceptor in C4 plants? PEP
What is required in the regeneration of RuBP in the Calvin Cycle? ATP
What is a type of signaling that involves a cell that signals its neighbors? Paracrine
What is a place Desmosomes might be found? Heart or skin
Who wrote the cell theory? Virchow
Name an advantage of having organelles in a cell. Compartmentalization or specialization or surface area to volume ratio increased
What elements are found in Nucleic Acids? CHONP
What type of bonds hold fatty acids to the glycerol molecule? Ester bonds
What is the probability that two parents who are both heterozygous for 4 traits (AaBbCcDd) will have an offspring that is heterozygous for at least one trait? 1/2
What kingdom is unicellular except for some algae? Protista
A steroid hormone being non polar allows for what to occur? It allows for the hormone to go through the plasma membrane
What causes Artherosclerosis to occur? cholesterol and connective tissue build up in the arteries
What are myofibrils in a muscle cell composed of? myosin and action
What is a key role of sphincters in digestion? To keep food from going forwards or backwards
As blood calcium levels increase, what happens to PTH levels? They remain the same
Contractions in labor are considered what type of feedback? positive feedback
What are the four types of animal tissue? muscular, epithelial, nervous, connective
How many liters of blood are in an average human body? 4 to 6 liters
How are hormones different from pheromones? Hormones stay inside the body while pheromones affect influence behaviors outside of the body
What are two cases that usually lead to dramatic genetic drift? Founder Effect and Bottleneck effect
Define vestigial structures. Structures that is reduced in size and/or function but is homologous to the useful structures of evolutionary ancestors.
What type of speciation occurs due to geographical isolation? Allopatrick speciation
What do we call an evolutionary branch of a phylogenetic tree? Clade
Name the 8 levels of classification of living things. domain, kingdom, phylum, class, order, family, genus, species
What direction does mRNA get made in? 5' to 3'
Where is tRNA made? Nucleus
How many hydrogen bonds are found between A and G? None
WHo discovered transformation? Griffith and Avery
The point on the mRNA ribosome complex that the amino acids enter A site
What elements are in protein? Carbon, Hydrogen, Oxygen, Nitrogen, and Sulfur
What elements are in Lipids? Carbon, Hydrogen, and Oxygen
What elements are in Carbohydrates? Carbon, hydrogen, and Oxygen
What elements are in Nucleic Acids? Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus.
Which macromolecule has a C1H2O1 ratio? Carbohydrate
What is the chemical formula for photosynthesis? 6CO2 + 6H2O + light -> C6H1206 + 6O2
What is a photoautotroph? use light as a source of energy
What is a Chemoautotroph? oxidize chemistry as a source of energy
Where is the site of photosynthesis? Chloroplast located in the mesophyll
When do CAM plants have their stomata opened? Only at night
What are the ends of the functional units of a muscle called? Z lines
What are the two types of endocrine hormones? peptide and steroid
Where are the Islets of Langerhan located? pancreas
This type of bond forms when a hydrogen atom is covalently bonded to one electronegative atom is attracted to another electronegative atom. hydrogen bonds
What is the amino group? -NH2
What two structures are found in the secondary structure of a protein? alpha helixes and beta sheets.
How do noncompetitive inhibitors work if they do not directly affect the active site? They bind to another part of the enzyme causing the enzyme to change its shape.
Which cells have only 23 chromosomes in humans? sex cells(egg and sperm)
Why are photons important? They are molecules that represent different colors of light to our eyes.
How are cancer cells different than normal cells? They exhibit density-independent inhibition which means that the cells keep growing.
What happens between tetrads in metaphase 1 of meiosis? Crossing Over
Who came up with the idea of the law of segregation? Mendel
What are the base pairs in DNA and how do they match up? Adenine-Thymine, Guanine-Cytosine
How do vaccines work? They inject a small amount of the virus so the body can naturally protect yourself.
Looped domains are connected to what structure? Protein Scaffolds
What does it mean if a cell is totipotent? they can retain the zygote's potential to form all parts of the adult organism
What words did Darwin use instead of evolution in his book: The Origin of Species? Descent with modification
What kind of disasters can create a bottleneck effect? Earthquakes, floods, fires, hurricanes, etc.
What is the kingdom Animalia in an eight-kingdom system? Animalia
What is the flower a reproductive structure of? angiosperm
What is a bacteriophage and which experiment utilized this to show DNA was important? baceteria infecting virus used in hershey chase experiment to show that DNA entered and protein coat stayed on the outside of the cell
In the lac operon what do the represser and RNA polymerase bind to respectively? represser: binds to operator DNA blocking promoter RNA polymerase binds to promoter.
What operon is a repressible operon? trp operon: it is always on unless tryptophan is present then it binds to represser to turn it off (represses the operon)
What operon is an inducible operon? lac operon: off unless lactose is present to act as an inducer which binds to the represser removing it from the operator.
What type of control is the operon system? transcriptional control
How does one neuron stimulate a second neuron? Calcium is released as the impulse travels down neuron 1 causing vesicles of neurotransmitter to be released by exocytosis. The receptor on neuron 2 if changed allowing Na ions to enter generating the impulse there.
What is the role of calcium in muscle contraction? binds to tropinin protein which moves the fiberous protein (tropomysoin) away from the binding sites so that the thick (myosin) filament head can bind to the thin (actin) filament that is attached to the walls of the sarcomere, pulling the walls closer.
What nuerotransmitter stimulates the muscle cell membrane? acetylcholine: released by the nueron stimulate motor neurons
What is quorum sensing? Bacteria being able to detect how many other bacteria are in the area based on chemical quantities. This leads to biofilm formation.
What is at the base of every phylogenetic tree? common ancestor; ultimately the first cell unless tree only shows one portion of the tree of life.
Created by: whamesjr
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards