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In the semi-permeable plasma membrane, how do nonpolar molecules get across it? - Answer Passive transport (they freely diffuse) In the semi-permeable plasma membrane, how do polar molecules get across it? - Answer Active transport (they need carrier proteins) In the semi-permeable plasma membrane, the heads of the phospholipid bilayer are ___, and the tails are ___. - Answer hydrophilic (polar); hydrophobic (nonpolar) The membrane potential describes the charge where?...

What three things are the kidneys primarily responsible for? - Answer Maintaining stability of ECF volume, electrolyte composition, and osmolarity What is the other function of the kidneys? - Answer They are the main route for eliminating potentially toxic metabolic wastes and foreign compounds from the body True or False: The main job of the kidneys is to produce perfect urine. - Answer FALSE. It is to MAKE PERFECT BLOOD by filtering out impurities and making sure blood ...

What is an individual muscle cell? - Answer Muscle Fiber What are the clusters of proteins within each muscle cell? - Answer Myofibrils A membrane has (single/multiple) nuclei - Answer Multiple (multinucleated) Muscles cells (do/do not) divide in adulthood. - Answer do not When muscle tissue dies, it (does/does not) grow back - Answer does not Neuron that innervates a muscle cell. - Answer Motor Neuron What is the name of the endoplasmic reti...

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A ______ is a well-tested hypothesis that is well-accepted among the scientific community. - Answer Theory True or False: A researcher can use the results of her experiment to prove that her hypothesis is correct. - Answer False The variable that we manipulate in an experiment is the ________. - Answer independent variable The variable that is measured in an experiment is the _________. - Answer dependent variable is the standard of comparison used in an exper...

Biology is.... - Answer the scientific study of life Define what life is: - Answer 1. order duction 3. growth and development 4. energy processing nses to environment 6. regulation 7. evolutionary adaptations Order - Answer life is highly organized; living cells are the basis of the organization reproduction - Answer organisms reproduce their own kind growth and development - Answer consistent growth + development controlled by inherited DNA e...

0.0311 - Answer An autosomal recessive disease is found in 1 out of every 4000 people. If the population is in Hardy Weinberg Equilibrium, what percentage of the population is a carrier (Aa) for the disease? 0.03; 0.97 - Answer An autosomal dominant disease is found in 5% of the population (remember, this is where the allele responsible for the disease is dominant). (Hint: Think about which genotypes will have the disease if the disease is dominant; then, find out how many people ...

soapberry bugs - Answer beak size was favored depending on the available food source, over time the species evolved to have shorter beaks directional selection favored characteristics changed with environment vertebrate forelimbs - Answer humans, cats, whales, and bats all have similar bone structure in their forelimbs (homologous structures) prairie chickens - Answer bottleneck effect prairie chickens' habitats were fragmented and reduced due to agricultural expans...

Which of the following molecules is involved directly in the process of transcription? - Answer RNA polymerase A chromosome is made up of: - Answer Chromatin fibers Fibers composed of equal amounts of DNA and protein molecules The region labeled A is which of the following components of a DNA nucleotide: (3 sections, the middle one) - Answer Deoxyribose sugar (the backbone of DNA) Which of the following occurs during mitosis but NOT meiosis: - Answer The cell ...

The first cells on earth were prokaryotic, _____ and _____. - Answer heterotrophic, anaerobic Living organisms possess a degree of organization and complexity in their structure. This refers to the life characteristic of _____. - Answer Order The unity of life is illustrated by the idea that all organisms - Answer evolved from a single common ancestor Where is the majority of ATP produced in a eukaryotic cell? - Answer Mitochondria Number the following events ...

What is the monomer that makes up DNA? a. Nucleic acid b. Nucleotides c. Amino acids d. Sugars - Answer b. Nucleotides When a cell undergoes reproduction, or *?*, two "daughter cells are produced that are genetically identical to each other and to the "parent" cell - Answer cell division When a cell undergoes cell division there is *more/equal/less* DNA in the replicated cell - Answer equal In *?*, DNA is passed from parent to offspring - Answer repr...

Only living organisms have any of the characteristics of life. True or False? - Answer False Which of the following is the best definition of homeostasis? - Answer A living organism maintaining a relatively stable internal environment Both plants and animals exhibit response to stimuli. True or False? - Answer True CO2 + H20 ---> C6H12O6 + O2 The above chemical equation represents - Answer Photosynthesis Which of the following are inputs in cellular resp...

the order of the scientific method - Answer 1. make observations 2. make a hypothesis 3. design the experiment 4. record data 5. draw conclusions 6. make a new hypothesis what are the qualifications for a hypothesis? - Answer 1. must be testable and falsifiable 2. must use deductive and inductive reasoning Deductive vs. Inductive Reasoning - Answer Deductive: general to specific Inductive: specific to general deductive: you make a general observation and m...

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None of the following applies to adenovirus URT infection except A. it persists and causes a latent infection B. transmission is through an enveloped viral particle C. attaches to the nasopharyngeal mucosa by fimbriae. D. fatalities are rare and recovery is within 1-3 weeks E. a virulence factor includes a capsule - Answer fatalities are rare and recovery is within 1-3 weeks The prospects for developing a vaccine for the common cold are not promising because - Answer many d...

Central Dogma - Answer DNA -> RNA -> Protein, aka dna transcription (DNA to RNA) and translation (RNA to proteins) Structure of DNA - Answer Nitrogenous base, pentose sugar (deoxyribose, one less -OH group than ribose), and a phosphate group Purine base - Answer Adenine and Guanine Pyrimidine base - Answer thymine, cytosine, and uracil Structure of RNA - Answer Ribose sugar, nitogenous bases (uracil instead of thymine), and phosphate group Types...

cells - Answer metabolism respond to the environment develop and reproduce evolve organized explain cell metabolism - Answer cell transport anabolism catabolism what is cell transport - Answer co2 out and O2 in what is anabolism - Answer build up of new materials what is catabolism - Answer break down materials how doe cells respond to the environment - Answer changing gene expression and cell communication explain changing gene expre...

What structure is indicated by: 10A, 15T, 3G, 7C? - Answer Single-stranded DNA. Negative control means that a regulator molecule is - Answer bound and transcription is inhibited AND removed and transcription begins. DNA is characterized by which of the following feature(s)? - Answer Deoxyribose AND Thymine. All fungi have __________ in their cell walls - Answer chitin. The placement of the amino acid during translation is determined by the - Answer compl...

Eukaryotes - Answer Cells with a relatively complex morphology that have a true membrane-delimited nucleus, true kernel Archaea Domain - Answer Domain of single celled organisms that are prokaryotic; ancient bacteria that are found in extreme environments; one kingdom - Archaebacteria no nuclear membrane rare organelles cell wall Bacteria Domain - Answer Domain of single celled organisms that are prokaryotic; typical bacteria that are found almost everywhere; one kin...

Macule - Answer Flat, red lesion Papule - Answer Elevated lesion Vesicle - Answer Fluid filled < 1 cm Bulla - Answer Fluid filled > 1 cm Pustule - Answer Pus filled Staphylococcus (BACTERIAL DISEASE OF SKIN) - Answer Pyogenic - pus producing Toxic Shock Syndrome (TSS) Folliculitis, Furuncles, Carbuncles Scalded Skin Syndrome (SSS) Desquamation->Exfoliative toxin Impetigo of the Newborn = Pemphigus neonatorum Osteomyelitis St...