what does the central dogma state?
genes specify sequence of mRNAs which specify the sequence of proteins.
What is the process called in which MRNA is used to synthesize proteins?
what is translation?
What is a fact? - what is an example (come up with your own)
Observations
Name 4 of the 7 characteristics of life
Order, regulation, reproduction, growth & development, evolutionary adaptation, energy processing, and response to environment
Carbon atoms have four valence electrons, so they need four more to fill their outer energy level in order to form ____.
what is four covalent bonds?
what makes amino acids unique?
their R groups
What is the phospholipid bilayer made of?
Double layer of phospholipid molecules that make up the cell membrane
What is the cell membranes primary purpose?
to regulate the passage of molecules in and out of a cell.
What is the first law of thermodynamics?
energy cannot be created nor destroyed in an isolated system
What is the process of cellular respiration for?
Extract energy from complex molecules and make ATP
what is the middle layer of the leaf called where photosynthesis takes place?
the mesophyll
what nucleotide base is only found in RNA?
Uracil
how many stages of division are in meiosis?
what is two?
When a chromosome duplicates, what is the second one called
what is sister chromatid?
The cells of a tumor____
lack normal checks on cell division
what is the processed called in which cells use DNA to synthesis MRNA?
What is transcription?
genes contain the instructions for coding what?
what is protiens?
What is a hypothesis
what is a Proposed explanation for observed phenomenon
What are the three domains of life?
Bacteria, Eukarya, and Archaea
What is an isomer?
molecules w/ same molecular formula, different structural arrangements
what are these examples of starch, cellulose, glycogen
what is carbohydrates?
Why do bacteria rely on diffusion across their surface to get everything they need?
High surface area to volume ratio
what is this organelle?- what is its function?
what is the golgi apparatus?
Golgi apparatus packages, sorts, and modifies proteins and lipids for storage and transport out of the cell.
What happens to cells in hypertonic solutions?-
Water moves out of the cell to higher solute concentration
known as plasmolysis in plant cells
known as crenation in animal cells
Which part of the cell does glycolysis occur in
what is the cytoplasm?
what organelle is this?
what is chloroplast?
what makes up the ladder rungs of DNA?
Base pairs A-T and C-G
What is the purpose for meiosis?
what is to create gametes for sexual reproduction?
During this stage, the nucleus splits up.
what is telophase?
what grows from structures called the centrosomes
what is the mitotic spindle?
The mRNA product is complementary to the template strand and is almost identical to the other DNA strand, called the __?
nontemplate strand
what RNA are components of the ribosome and are essential to the process of translation.
what is rRNA?
What is the variable being measured in an experiment?
what is dependent variable?
What are the four kingdoms?
Protists
Animalia
Fungi
Plants
How many atoms fill an atom outer most (valence) electron shell for it to be stable?
what is eight?
what lipid double carbon bond and are liquid at room temperature
what is unsaturated fat?
What happens to the surface volume to area ratio of organisms as they get larger?
What is it decreases?
what organelles contains digestive enzymes that break down cellular waste and foreign material.
what is the lysosome?
What is the second law of thermodynamics?
Any spontaneous process leads to increased entropy (S) of the universe
which organelle of the cell does most of cellular respiration occur in?
what is the mitochondria?
What happens in light-dependent reactions?
Once energy is converted it is stored into chemical energy
sunlight energy is absorbed, chlorophyll, energy is converted.
DNA replication means two strands are separated what makes them easy to pull apart?
What is hydrogen bonds between the complementary nitrogenous base pairs?
What is the protein structure that holds together sister chromatids during meiosis?
what is the cohesion complex?
DNA synthesis occurs during
what is replication?
what is an expression of a trait?
what is a phenotype?
the enzyme that carries out transcription is?
what is RNA polymerase?
what is an anti-codon?
three-nucleotide sequence in tRNA molecule corresponds to an mRNA codon
what is quantitative data?
data that can be measured or is numerical
What were Darwin observations?
Variation in traits among individuals within a population.
Traits appear to be inheritable
Species seem to be suited to their environment.
Population produces more offspring than can survive.
What are the properties of water that make it crucial for life on earth?
high heat capacity
cohesion and adhesion
High surface tension
universal solvent
changes in density
what type of macromolecule have a single C-C bond And are saturated with Hydrogen atoms
what is saturatted fatty acids?
How do you calculate Surface area to Volume ratio:
Find surface area, find volume through L x's W x's H. then write SA:VOL
what cell organelle is this and what is its function?
what is the nucleus- contains genetic material controls cell activities through protein synthesis
What is true of organisms that convert sunlight into chemical energy?
Autotrophic
Photosynthetic
Primary producer
What are the two High energy electrons that enter the electron transport chain- formed in glycolysis and Krebs?
FADH2, NADH
what are the substrates or reactants of photosynthesis?
sunlight, H20, and C02
The strands of DNA are what ?
what is Antiparallel and complementary?
what is four?
What are the 4 stages of mitosis? (in order)
What is prophase, metaphase, anaphase, and telophases?
The complete genetic make-up of an organism
What is MRNA's function
directs synthesis of polypeptide
what is small nuclear RNA?
molecule synthesized by RNA polymerase III that have a variety of functions
what is qualitative data?
data based on observation and is descriptive
What do eukaryotic cells and prokaryotic cells have in common?
DNA, Order, regulation, reproduction, growth & development, evolutionary adaptation, energy processing, and response to environment
What happens when forward and reverse reactions are occurring at the same rate?
what is equilibrium?
what macromolecule is this?
what is nucleic acid?
Why cant humans rely on diffusion to get everything they need?
Low surface area to volume ratio
what are enzymes and what is there primary purpose?
proteins (macromolecule) that lower activation energy for a reaction to occur
What is enthalpy?
A total measure of energy in a system
What are the organic reactants of glycolysis?
what is two pyruvates?
The gas exchange of carbon dioxide and oxygen occurs through small, regulated openings called_____
what is stomata?
What is the bond called between a phosphate group of one nucleotide and a sugar group of another nucleotide called?
What is a phosphodiester bond?
What is the stage of meiosis where the cell checks for proper alignment of chromosomes on the metaphase plate?
what is the metaphase checkpoint?
In this stage of mitosis, the chromosomes align?
what is metaphase?
a test cross allows involes mating with a ___
?
what is a homozygous recessive?
Nucleotide sequence of MRNA is used to direct the ___?
order of amino acids placed into protiens
Eukaryotic mRNA contains _______ that must be spliced out. A 5' cap and 3' poly-A tail are also added.
what is introns?
What is the difference between inductive and deductive reasoning?
Inductive reasoning is a bottom-up approach, while deductive reasoning is top-down. Inductive reasoning takes you from the specific to the general, while in deductive reasoning, you make inferences by going from general premises to specific conclusions.
Give a reason why the high heat capacity of water is important for living orgaisms.
Regulates organisms' internal temperature and stabilizes bodies of water.
Galactose has the molecular formula C6H12O6. What is it's molar mass?
what is 180 g/mole?
what macromolecule is this?
what is a lipid, specifically triglyceride?
What is facilitated diffusion?
when ions or molecules diffuse across a membrane faster than expected.
assistance of carrier protein, change shape as molecules pass the surface.
What are examples of evidence supporting endosymbiotic theory?
Only produced by division of pre existing chloroplasts and mitochondria
Double membranes
Own DNA
Have ribosomes
What is entropy(S)?
what is a measure of disorder?
What is the net gain of ATP in the glycolysis phase?
what is 2?
What happens in light-independent reactions?
Chemical energy from light-dependent, assemble sugar from CO2
What is 2?
What is the term for the type of genetic variation that arises from the independent assortment of homologous chromosomes during meiosis?
what is genetic recombination?
Cell spends 90% of its time here (Normal cell life)
what is interphase?
A woman with type O blood mates with a partner with AB blood what are possible phenotypes of children that they could have?
prokaryotic DNA is transcribed and then ready to be ?
what is translated?
processes of transcription, translation, and mRNA degradation can all occur simultaneously, in what organism?
what is prokaryote?
What are the steps of the scientific method, in order?
Observation → Hypothesis → Experiment → Analysis → Conclusion → Communicate results
Why are the properties of cohesion and adhesion of water important in terms of the human body?
Allow for efficient transport of nutrients and waste
You decide to test the pH of your coffee. It reads at a pH of 5.2. What is the hydrogen ion AND hydroxide ion concentration of your coffee?
[H+]= 1x10-5.2
[OH-]= 1x10-8.8
what functional group is this?
what is a carboxyl group?
What is active transport?
Pumps force ions to move from an area of low concentration to high conc.
Requires energy in the form of ATP
Happens with proteins called pumps
What is true of bacterial genomes?-
Circular DNA
Double-stranded DNA in cytoplasm
What is the Net gain of ATP after the electron transport chain?
what is 26-28?
What are the organic reactants in the citric acid cycle?
2 acetyl COA
what is the equation for photosynthesis?
6CO2 + 6H2O → C6H12O6 + 6O2.
What enzyme adds nucleotides in the 5'-3' direction?
what is primase?
What are the thread-like structures made of DNA and protein that carry genetic information in the form of genes?
what are chromosomes?
What occurs before a cell divides?
Replicate DNA
Utilize DNA polymerase
when genes are linked it is because they are on the same ____?
what is chromosome?