Nursingismylife

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...