Nursingismylife

Which of the following is NOT TRUE of animals that have open circulatory systems? They are not vertebrates. They have a mechanism to pump circulatory fluid. They have lower pressure in their circulatory compartments compared to animals with closed circulatory compartments. Almost all of them have specialized gas transporting blood cells - answerAlmost all of them have specialized gas transporting blood cells At the point in the cardiac cycle when the volume of blood in the right ventric...

Describe the steps of the scientific method - ANSWER-Observation: Use all 5 senses to see whats going on. -Hypothesis: Make an educated guess about how something works. -Prediction: Assume hypothesis is correct and predict the results. If... then... -Experiment: Test your prediction -Analysis and conclusion: Gather results and evaluate hypothesis Gamete - ANSWERIn animals, the cell containing the daughter nuclei produced by meiosis. Ovum - ANSWERThe singular name for a female gamete ...

Nutrition - ANSWERProcess by which chemical substances (nutrients) are acquired from the environment and used in cellular activities. Macronutrients - ANSWERRequired in large quantities; play principal roles in cell structure and metabolism (proteins, carbohydrates) Doorway in the Kreb's Cycle (TCA) - ANSWERA preparation / linking step. Glycolysis produces pyruvate but the Kreb's Cycle will only accept Acetyl CoA so the doorway step further metabolizes 2 pyruvate to 2 Acetyl CoA. ...

The best experimental design ______. A) includes a large sample size for each condition B) includes a control C) alters only one condition between the controls and the experimental conditions D) includes a large sample size and a control and alters only one condition between the controls and the experimental condition - ANSWERD A solution with a pH of 5 has how many more protons in it than a solution with a pH of 7? A) 5 times B) 10 times C) 100 times D) 1000 times - ANSWERC Con...

true pathogen - ANSWERcapable of causing disease in healthy persons with normal immune defenses - influenza virus, plague, malaria transient flora - ANSWERmicrobes that are present on the body for a short time Plasma cells - ANSWERThese cells develop from a sensitized B cell. They produce antibodies at a rate of 2,000 per second Macrophages - ANSWERThese cells are considered the "big eaters" of the immune system. They are phagocytic and can be found fixed in tissue or mobile in th...

microorganism - ANSWERare organisms that are too small to be seen with the unaided eye microbes - ANSWER1. decomposed in organic waste 2. to produce chemicals (ethanol and acetone) 3. an important role in the ecosystem by photosynthesis (O2 and C6H12O6) 4. to ferment food (cheese, vinegar) 5. produce production use in treatment (insulin) Linnaens - ANSWERestablish the system of scientific names each organisms has two names - ANSWER1. the genus 2. the specific epithet genomi...

For cell signaling receptors will be either _______________ or in the membrane. - ANSWERinternal If a receptor is internal the signaling molecule is __________ soluble and (is/is not) able to cross the membrane. - ANSWERlipid, is The glucose transporter will travel to the plasma membrane via _____________, where it will transport glucose into the cell with ___________________________. - ANSWERvesicle, facilitated diffusion The glucose level is decreased by _______________________. -...

All living things are made up of what four classes of large biological molecules - ANSWERCarbohydrates, Lipids, Proteins, Nucleic acids what are Macromolecules - ANSWERlarge molecules composed of thousands of covalently connected atoms second shell - ANSWER2s orbital and 3 p orbitals that are shaped somewhat like dumbbells Chemical behavior of an atom depend on - ANSWERnumber of electrons in outermost shell called valence electrons covalent bonds - ANSWERelectron sharing Can form b...

Biological Hierarchy - ANSWERdomain, kingdom, phylum, class, order, family, genus, species Sexual Dismorphism - ANSWERgenders look different mycosis - ANSWERfungal infection Amoebozoa - ANSWERsynapomorphy: amoeboid morphology, lobe-like pseudopodia for feeding Opisthokonta - ANSWERsynapomorphy: flat cristae in mitochondria, single posterior flagellum Metamonada - ANSWERsynapomorphy: many body planes (cell morphologies), often within multiple flagella in clusters of 3-4 Algae - AN...

Essential Nutrients - ANSWER- Must be supplied by the diet. - The body cannot synthesize it. - 2 categories: macronutrients & micronutrients Macronutrients - ANSWER- Essential nutrients required in large amounts - yield energy - The body breaks the down to get energy - carbohydrates, lipids, proteins chyme - ANSWERwatery mixture of partially digested food and gastric juice that is delivered to the small intestine pyloric sphincter - ANSWERcontrols rate of chyme release into sma...

Which of the following is a protein produced by a regulatory gene? A) operon B) inducer C) promoter D) repressor - ANSWERD) repressor A lack of which molecule would result in a cell's inability to "turn off" genes? A) operon B) inducer C) promoter D) corepressor - ANSWERD) corepressor Which method is utilized by eukaryotes to control their gene expression that is NOT used in bacteria? A) control of chromatin remodeling B) control of RNA splicing C) transcriptional contr...

T/F: vascular plants have modular/reiterative development - ANSWERT What are the basic plant organs? - ANSWERroots, stems, leaves Chromoplasts function and location - ANSWER-Chromoplasts often develop from chloroplasts, but may also form from proplastids & amyloplasts . -Often found in flowers, fruits, senescing leaves and certain roots. leucoplast function - ANSWERstore pigments, proteins, lipids, starch Amyoplast function: - ANSWER-Store fixed carbon reserves as starch. Starch g...

Approximately how many microbes inhabit our bodies? - ANSWERTrillions Which of the follow best describes normal microbiota? - ANSWERmicrobes that are associated with the body naturally If you start with 3 bacterial cells how many would you have after 40 minutes if the generation time is 10 minutes? (assume optimal conditions) - ANSWER30 Which of the following is not a barrier as described under Standard/Universal Precautions? - ANSWERbodily fluids Standard/Universal precautions were ...

About 25 of the 95 natural elements are known to be essential to life. Which 4 of these 25 elemts make up approximately 96% - ANSWERE-Carbon, hydrogen, nitrogen,oxygen The slight negative charge at on need of the water molecule is attracted to the slight positive charge of another water molecule. What is this attraction called? - ANSWERE-hydrogon bond The following structure not found in prokaryotic cells is unique to eukaryotic cells A) flagella B) mitochondria C) plasma membrane D)...

What is the difference between heterozygous and homozygous individuals? - ANSWERAll of the gametes from a homozygote carry the same version of the gene while those of a heterozygote will differ When constructing a Punnett square, the symbols on the outside of the boxes represent _______, while those inside the boxes represent _______. - ANSWERgametes, progeny Bacterial artificial chromosome (BAC) - ANSWERA large plasmid that acts as a bacterial chromosome and can carry inserts of 100,000 t...

1.5-1.17 million - ANSWERHow many species are there? butterflies, flowering plants, vertabrates - ANSWERwhich species are well known? morphospecies (Gestalt) - ANSWERif two things look different enough, they should be considered different..... convergence mimicry- Batesian Mimicry - ANSWERanimal avoids predation by looking like another animal so it isn't eaten bacteria, nematodes, fungi, mites - ANSWERwhich species are not well known divergence - ANSWERgenetic drift or natura...

Anatomy - ANSWERStructure of the body parts and how they relate to one another Physiology - ANSWERFunction of the body's structural machinery. (Events happening in the body on a cellular or molecular level) Control Center - ANSWER"Brain" determines the set point/level of variation at which the variable is to be maintained. It then analyzes the information it receives and then determines the appropriate response or course of action Efferent Pathway - ANSWEROutput of information ...

who published in latin the first modern anatomy textbook? - ANSWERAndreas Vesalius (De Humani Corporis Fabrica) what is the Visible human project? - ANSWERa male and a female were imaged with MRI and CAT scans then embedded with gelatin and cut transversely coenzymes - ANSWERmany derived from the vitamin B complex some are involved in redox reactions. NAD+ and FAD integumentary system - ANSWERskin/ body covering endocrine system - ANSWERthyroid, pancreas, adrenals, pituitary res...

Microbiology - ANSWERThe study of microorganisms Bacteria - ANSWERsingle-celled organisms that lack a nucleus; prokaryotes cell envelope - ANSWERincludes plasma membrane, cell wall, and glycocalyx Gram-positive bacteria - ANSWERthick cell wall composed primarily of peptidoglycan and cell membrane, stain purple Gram-negative bacteria - ANSWERBacteria that have a thin peptidoglycan cell wall covered by an outer plasma membrane. Stain red. Gram negative cell walls - ANSWERhave lipopo...

Which of the following is true for catabolic pathways? A) they are usually non-spontaneous chemical reactions B) they consume energy to build up polymers from monomers C) they release energy as they degrade polymers to monomers D) they represent endergonic reactions E) none of the above - ANSWERC) they release energy as they degrade polymers to monomers Enzymes speed up metabolic reactions by A) increasing the activation energy barrier B) being consumed during the reaction C) creati...