Questions

HHMI Biointeractive Winogradsky Columns 2 How do Winogradsky Columns illustrate the diversity microorganisms on Earth and the niches they occupy How do they reflect life on early Earth

Live Describe the distribution of oxygen and its metabolic roles throughout asky In what region s does Sulfur cycling play a critical role What types of sulfur metabolism is involved Purple Sulfur PSB and Green Sulfur Bacteria GSB both use sulfide to support photosynthesis GSB tolerate higher sulfide levels than PSB How does that tolerance relate to where they congregate in the column Where would you predict to find PSB and

15 What are all values of x for which the function f defined by f x x 32 9x 7 is increasing A x 3 or x 1 B x 1 or x 3 C 3 x 1 D 1 x 1

Select all of the following that apply to the body wall muscles in nematodes arranged in quadrants are molted in pre adult life history stages contract longitudinally only circular muscles lie beneath the hypodermis

Match the functions listed below with the molluscan structure head foot or visceral mass that matches best with it 100 Primarily uses muscles contains most internal organs contains most of the sensory structures primarily for locomotion primarily uses cilia 1 Head foot 2 visceral mass

Listen AOTD What is a result of nematodes adaptation to cryptobiosis They cannot move from one place to another easily They can only live in specific places They are more prone to being eaten by predators They have increased resilience to tough environments

Choose the correct answer below OA The event of getting no defects among the 4 calculators OB The event of getting 4 defects among the 4 calculators OC The event of getting more than 1 defect among the 4 calculators OD The event of getting at least 1 defect among the 4 calculators mom a batch white a statement describing even k

Graph each function using transformations Expoential function f x plaasa 2 x Show your work

Choose the correct answer below A The ordinal level of measurement is most appropriate because the data can be ordered but differences obtained by subtraction cannot be found or are meaningless OB The interval level of measurement is most appropriate because the data can be ordered differences obtained by subtraction can be found and are meaningful and there is no natural starting point OC The nominal level of measurement is most appropriate because the data cannot be ordered OD The ratio level of measurement is most appropriate because the data can be ordered differences can be found and are meaningful and there is a natural starting zero point

K Complete parts a and b below O A O C b Are there any outliers La 50 50 60 118 60 genenc soda brand 70 80 90 Volumes of soda oz 70 80 90 Volumes of soda oz Q Q Q Q C OA No there do not appear to be any outliers OB Yes the volume of 50 oz appears to be an outlier because it is far away from the other volumes OC Yes the volume of 70 oz appears to be an outlier because many sodas had this as their volume OB O D 50 Volumes of soda oz H 60 70 80 90 50 60 75 70 70 80 50 Volumes of soda oz 70 80 90 Volumes of soda oz HERKES 70 70 75 65 85 Q Q Q Q 5 70 75 80 65 O

Ben Luna received his bank statement with a 34 92 fee for a bounced check NSF He has an 829 20 monthly mortgage payment paid through his bank There was also a 7 55 teller fee and a check printing fee of 6 30 His ATM card fee was 8 35 There was also a 678 45 deposit in transit The bank shows a balance of 241 66 The bank paid Ben 2 03 in interest Ben s checkbook shows a balance of 1 664 60 Check Number 234 for 87 10 and check Number 235 for 52 70 were outstanding Prepare Ben s bank reconciliation Note Input all amounts as positive values Round your answers to 2 decimal places Ben s checkbook balance Add Subtotal Deduct Subtotal Reconciled balance BANK RECONCILIATION Bank balance Add Subtotal Deduct Reconciled balance

A line is subdivided according to the golden ratio with the smaller piece having a length of 10 meters What is the length of the entire line Use 1 618 The length of the entire line is meters Type an integer or a decimal rounded to one decimal place as needed

Give the intervals on which the function is increasing decreasing or constant Simplify your answers completely Enter your answers using interval notation If an answer does not exist enter Objective 1 increasing decreasing constant 000

Book Hint erences Kameron Gibson s bank statement showed a balance of 847 05 Kameron s checkbook had a balance of 254 00 Check Number 104 for 160 90 and check Number 105 for 16 55 were outstanding A 657 00 deposit was not on the statement He has his payroll check electronically deposited to his checking account the payroll check was for 1 101 50 There was also a 14 60 teller fee and an 14 30 service charge Prepare Kameron Gibson s bank reconciliation Note Input all amounts as positive values Round your answers to 2 decimal places Kameron s checkbook balance Add Subtotal Deduct Subtotal Reconciled balance BANK RECONCILIATION Bank balance Add Subtotal Deduct Reconciled balance

e figure shows two right triangles drawn at 90 to each other Find x and then find h Assume LABD 46 C 46 and BC 59 Round each answer to the nearest whole numbe D

A line is subdivided according to the golden ratio with the smaller piece having a length of 10 meters What is the length of the entire line Use 1 618 K The length of the entire line is meters Type an integer or a decimal rounded to one decimal place as needed

Give the intervals on which the function is increasing decreasing or constant Simplify your answers completely Enter your answers using interval notation If an answer does not exist enter DNE Objective 1 increasing decreasing constant

Venous valves are responsible for a channeling blood toward the heart O b preventing blood from re entering a ventricle D O c regulating blood pressure in veins O d preventing anterograde flow O e channeling blood away from the heart Clear my choice Ti

study is an experiment of an observational study and then identify a major problem with the study The Physicians Health Study involved 22 071 male physicians Based on random selections 11 037 of them were treated with aspirin and the other 11 034 were given placebos The study was stopped e because it became clear that aspirin reduced the risk of myocardial infarctions by a substantial amount Determi This is an because the researchers What is a major problem with the study the individuals Con OA This is a convenience sample with voluntary response which has a high chance of leading to bias OB The results apply only to male physicians OC There is no blinding or replication which has a high chance of leading to bias OD The results apply only to individuals with heart disease

K Does the frequency distribution appear to have a normal distribution Explain Choose the correct answer below Temperature F 40 44 45 49 50 54 55 59 60 64 65 69 70 74 Frequency 355541 OA Yes because the frequencies start low proceed to one or two high frequencies then decrease to a low frequency and the distribution is approximately symmetric OB Yes because the frequencies start low proceed to one or two high frequencies then increase to a maximum and the distribution is not symmetric OC No because the frequencies start low proceed to one or two high frequencies then decrease to a low frequency and the distribution is approximately symmetric OD No because the frequencies start low proceed to one or two high frequencies then decrease to a low frequency and the distribution is not symmetric

In a distribution of scores with M 36 and SD 3 8 how many standard deviations away from the mean is a person with a score of 30 Be sure to include the sign in your answer

med to used for cell phone calls and whether the subject is left handed of fight handed began will people belonging all tology K online group and 717 surveys were returned Otology relates to the ear and hearing What percentage of the 5000 surveys were returned Does that response rate appear to be low In general what is a problem with a very low response rate Of the 5000 surveys were returned This response rate Round to the nearest whole number as needed What is a problem with a very low response rate to be low appears OA It creates a serious potential for confounding which cre OB It creates a serious potential for getting a biased samp does not appear OC It does not allow for sufficient replication to produce a farove pro OD It indicates a lack of blinding which creates a serious potential for getting a biased sample COLB rroneous conclusions a special interest in the topic

Does the result have statistical significance According to genetic theory of the 608 peas would have yellow pods The difference between the actual number of peas with yellow pods and the expected number of peas with yellow pods is pea s This difference to be statistically significant Type whole numbers Doon the rogult houn r

Assume scores are normally distributed Using the normal curve with approximate percentages of scores between the mean and 1 and 2 standard deviations above and below the mean Z Scores Above 60 Below 60 Above 70 Below 70 Approximately what percentage of the students have an exam score that is Above 80 2 Below 80 14 34 34 2 0 1 2 3 Choose Choose Choose Choose 14 Choose Choose

Choose the correct answer below OA The data can be used to find the percentage of people whose body temperature increases with illness OB The data can be used to address the issue of whether there is a difference between average body temperature for males and for females OC The data can be used to address the issue of whether there is a correlation between average body temperature and a person s exposure to sunlight

A n A n distribution has a bell shape normal polygon outlier distribution has a bell shape relative frequency

2 Graph a line with a slope of that contains the point 2 4 5 7 6 5 4 3 2 5 34 2 wil e 3 NO y 16 2 3 4 5 6

Data are obtained from a group of high school seniors comparing age and the number of hours spent on the telephone The resulting regression equation is Predicted number of hours 0 123 age 2 57 with r 0 866 If age equal zero find the the predicted number of hours Oa 0 123 O b 2 57 O C 0 369 O d 2 57

Given the following set of scores 7 7 4 7 3 Calculate the z score associated with a raw score of 3 Maintain 2 decimal places in your calculations and report your answer to 2 decimal places necessary

The largest cartilage of the larynx is the O a arytenoid O b cricoid O c cuneiform O d thyroid cartilage

The right lung has while the left lung has O a three lobes three lobes O b two lobes two lobes O c two lobes three lobes O d three lobes two lobes

If the values of two variables move in the opposite direction O a The correlation is said to be negative Ob The correlation is said to be linear O c The correlation is said to be positive Od The correlation is said to be non linear

The conchae provide an opening into the pharynx divide the nasal cavity into a right and a left side O a O b O c provide a surface for the sense of smell O d create turbulence in the air to trap particulate matter in mucus

Choose the correct sequence of current flow through the heart wall O a AV node SA node Purkinje fibers AV bundle of His right and left bundle branches O b AV node Purkinje fibers AV node AV bundle of His right and left bundle branches O c Purkinje fibers AV node AV bundle of His right and left bundle branches SA node O d SA node AV node AV bundle of His right and left bundle branches Purkinje fibers O e SA node Purkinje fibers AV node AV bundle of His right and left bundle branches

Which of the following correctly details the pulmonary circulation Time left 1 29 25 O a The pulmonary artery carries deoxygenated blood to the lungs It branches into arterioles and then to capillaries which surround the alveolus where the blood picks up its oxygen Venules carry the oxygenated blood to the pulmonary vein which deliver blood to the right atrium O b The pulmonary vein carries deoxygenated blood to the lungs It branches into venules and then to capillaries which surround the alveolus where the blood picks up its oxygen Arterioles carry the oxygenated blood to the pulmonary artery which deliver blood to the right atrium O c The pulmonary vein carries deoxygenated blood to the lungs It branches into venules and then to capillaries which surround the alveolus where the blood picks up its oxygen Arterioles carry the oxygenated blood to the pulmonary artery which deliver blood to the left atrium O d The pulmonary artery carries deoxygenated blood to the lungs It branches into arterioles and then to capillaries which surround the alveolus where the blood picks up its oxygen Venules carry the oxygenated blood to the pulmonary vein which deliver blood to the left atrium Quiz Bayan 1 8 15 22 29 36 E 43 C 1 23 30 37 44

The vocal folds are located within the O a larynx O b nasopharynx O c oropharynx O d trachea

If the diameter of the efferent arteriole is smaller than the diameter of the afferent arteriole then O a there must be an abnormal blockage in the peritubular capillaries O b blood pressure in the glomerulus stays high O c the endothelial capsular membrane filters less blood than normal O d capsular hydrostatic pressure increases to levels higher than glomerular blood hydrostatic pressure O e blood pressure in the glomerulus stays low

The Eustachian tubes open into the O a laryngopharynx O b nasal cavity O c larynx O d nasopharynx O e oropharynx

Which kind of vessel is also called a resistance vessel O a artery O b capillary O c venule O d vein O e arteriole

Not yet answered Marked out of 1 50 A insurance company has insured 8000 doctors 12000 teachers and 4000 businessmen The chances of a doctor teacher and businessman dying before the age of 58 is 0 01 0 03 and 0 05 respectively Find the probability that the insured people dies before 58 years Help p doctor 0 33 p teacher 0 5 p businessmen 0 17 O a 0 0033 O b 0 0268 O c 0 015 O d 0 0085 Next page Rama Qde 1 8 15 22 2 29 2 9 16 23 30 Finish atte

Ureter exits from the O a O b O c O d O e Pelvis of the kidney Renal Hilus Medulla of the kidney Cortex of the kidney Capsule of the kidney

The epicardium O a is the pacemaker of the heart O b lines the heart chambers O c is also known as the parietal pericardium O d is the visceral pericardium O e is a layer of cardiac muscle

In a certain hospital it is known that 10 of the staff members are smokers A random sample of 5 staff members is selected at random Let X represents the number of smokers in the sample X binomial with n 5 and p 0 1 Find the probability that there will be exactly one smoker in the sample is p x 1 O a 0 1 0 9 4 O b 0 1 0 9 4 OC 0 1 4 0 9 O d 6 0 1 0 9 5 P Flag question D

The principal respiratory centers that directly control breathing are located in the O a lung and medulla oblongata O b cerebrum and hypothalamus O c medulla oblongata and pons O d hypothalamus and cerebrum

A renal corpuscle is a whereas a renal tubule is a O a glandular structure that regulates blood pressure blood vessel that regulates the flow of blood into the glomerulus O b storage area for urine tubule that carries urine from the urinary bladder outside O c special blood cell in the kidneys tubule that leads from the kidneys to the bladder O d cluster of blood capillaries and glomerular capsule highly coiled tubule exiting the glomerular capsule

Choose the correct sequence of current flow electrical signal through the heart wall O a SA node Purkinje fibers AV node AV bundle of His right and left bundle branches O b AV node Purkinje fibers AV node AV bundle of His right and left bundle branches O c SA node AV node AV bundle of His right and left bundle branches Purkinje fibers O d AV node SA node Purkinje fibers AV bundle of His right and left bundle branches

Which of the following indicates the parts of a renal tubule in the correct sequence from beginning O a Collecting duct proximal convoluted tubule descending limb ascending limb O b Proximal convoluted tubule ascending limb of nephron loop descending limb distal convoluted tubule O c Distal convoluted tubule ascending limb of nephron loop descending limb proximal convoluted tubule O d Proximal convoluted tubule descending limb of nephron loop ascending limb distal convoluted tubule

Secondary bronchi supply air to the lobes of the lungs lobules of the lungs O a O b O c lungs O d alveoli

What is the name for the entry point to the kidney for nerves blood vessels ureters and lymphatics O a hilus O b pyramid O c pelvis O d calyx

The term vasoconstriction refers to O a delivering oxygen and nutrients to the body tissues O b increasing the size of the lumen of the blood vessel O c decreasing the size of the lumen of the blood vessel delivering waste products to the kidney for excretion O d