Anatomy of Flowering Plants Questions and Answers

What are two examples of human caused environmental changes that could affect species in an area A The formation of a new island due to volcanic eruptions B The removal of a mountaintop due to mining activities C Habitat fragmentation due to the construction of a new road D The flooding of an area due to heavy rainfall

Which sentence best describes vertebrate species in the early stages of embryologic development A They usually do not have a tail OB Their features are very different OC They all begin as the same kind of organism OD Their features are similar

A population of frogs is split between two ponds during a long term drought Pond A has several predators that can catch frogs and plenty of insects for food Pond B lacks predators but has a limited amount of insects Which adaptation is most likely to increase over time in pond B s frog population OA The tendency to hide in the mud to escape predators B The tendency to eat worms as well as insects OC A larger body size that requires more food D The ability to croak more loudly to attract mates

this division of the nervous system OA somatic division of the peripheral nervous system OB autonomic nervous system ANS C central nervous system CNS OD peripheral nervous system PNS Question 8 1 point Listen What is the function of the corpora quadrigemina OA They are reflex centers for visual and auditory stimuli OB They are important for the sense of taste OC They C They are important for maintaining balance OD They are olfactory relay centers

00 are receptors in skeletal muscles tendons joints ligaments and connective tissue coverings of bones and muscles respond to stretch inform the brain of one s movements all of the above Question 3 1 point 4 Listen People can vary in their tolerance to pain but they will all perceive pain at the same threshold of stimulus intensity True

Life Cycle Resulting structure from meiosis Occurrence of mitosis Plants Anl

10 How can you tell a eudicot SEED from a monocot SEED II Fill in the tables 2 points each Plant Fern Moss Plant Flowering Plant Pine Dominant Generation Dominant Generation Life Cycle Resulting structure from meiosis Plants Vascular tissue Present or Absent Vascular Tissue Present or Absent Dispersal of offspring Flagellated sperm Animals Fruit Present or Absent Method of offspring dispersal

an oxidation reduction reaction O The glucose molecule is reduced The glucose molecule is an oxidizing agent The glucose molecule is hydrolyzed The glucose molecule is oxidized Question 46 5 points 4Listen High levels of citric acid inhibit the enzyme phosphofructokinase a key enzyme in glycolysis Citric acid binds to the enzyme at a different location from the active site This is an example of O allosteric regulation positive feedback regulation competitive inhibition substrates

modifications to proteins would most likely cause defects in which of the following organelles or structures mitochondria and Golgi apparatus Golgi apparatus and extracellular matrix nuclear pores and secretory vesicles nuclear matrix and extracellular matrix Question 44 5 points Listen In mitochondria an electron transport chain pumps protons from the matrix into the intermembrane space whereas in chloroplasts an electron transport chain pumps protons from the Ostroma to the thylakoid space Othylakoid space to the matrix to the stroma

Listen Following a scientific method which of the following is the correct order of steps Observation Hypothesis Experiment Analysis Analysis Conclusion Communicate results Observation Experiment Analysis Hypothesis HE 1 Conclusion Communicate results Experiment Hypothesis Observation Analysis Conclusion Communicate results Observation k 1 Experiment Hypothesis 1 Communicate results Analysis

wing aspects of enzyme structure is best described by a clasping handshake analogy the specific manner in which an enzyme is denatured by low pH the specific manner in which an enzyme interacts with water the specific manner in which an enzyme binds substrate the specific manner in which an enzyme folds to form secondary and tertiary structures Question 37 5 points 4 Listen Which of the following is true when comparing an uncatalyzed reaction to the same reaction with a catalyst The catalyzed reaction will have higher activation energy The catalyzed reaction will consume all of the catalyst The catalyzed reaction will have the same AG The catalyzed reaction will be slower

An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in which function cell cell recognition attaching the plasma membrane to the cytoskeleton establishing a diffusion barrier to charged molecules transporting ions against an electrochemical gradient

Listen Which of the following processes is driven by chemiosmosis ATP hydrolysis reduction of NAD to NADH substrate level phosphorylation oxidative phosphorylation

Which of the following statements describes a key component of the induced fit hypothesis of enzyme catalysis Substrate binds to an allosteric site rather than to the active site of an enzyme Binding of substrate to the active site changes the shape of the active site of an enzyme Binding of an activator molecule changes the shape of the active site of an enzyme The conformation of the active site is determined by the tertiary or quaternary structure of the enzyme

Cooking oil and gasoline a hydrocarbon are not amphipathic molecules because they are highly reduced molecules have hydrophobic and hydrophilic regions do not have a polar or charged region olar region

In the fractionation of homogenized cells using differential centrifugation which of the following will require the greatest speed to form pellets at the bottom of the tube mitochondria chloroplasts ribosomes nuclei

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane It has no hydrophobic regions It exhibits specificity for a particular type of molecule It works against diffusion It requires the expenditure of cellular energy to function

According to the fluid mosaic model of cell membranes phospholipids have hydrophilic tails in the interior of the membrane occur in an uninterrupted bilayer with membrane proteins restricted to the surface of the membrane frequently flip flop from one side of the membrane to the other can move laterally along the plane of the membrane

A decrease in entropy is associated with which type of reaction Odehydration O catabolic Ohydrolysis depolymerization

A newspaper ad for a local toy store indicates that an inexpensive toy microscope available for a small child is able to magnify specimens nearly as much as the more costly microscope available in your college lab What is the primary reason for the price difference The toy microscope usually uses a different wavelength of light source The toy microscope magnifies a good deal but has low resolution and therefore poor quality images The toy microscope does not have the same fine control for focus of the specimen The toy microscope produces less contrast in the specimens

Calculate the time that the infusion will be compete Record the answer in military time Record NUMERIC answer only Order 500 mL of D5 1 2NS to infuse at 125 ml hr The nurse has started the infusion at 0900 What time will the infusion be completed

A toxin that binds specifically to voltage gated sodium channels in axons would be expected to Oprevent graded potentials Oprevent the hyperpolarization phase of the action potential Oincrease the release of neurotransmitter molecules O have most of its effects on the dendritic region of a neuron Oprevent the depolarization n er W

ten What is the main function of the salty interior of the kidney to attract regulatory hormones to the kidney to aid with water reabsorption in the kidney to help collect the Na for excretion to help filter toxins from the blood to help concentrate urea away from the capillaries

21 What membrane potential triggers the opening of the voltage gated Na channels 55 mv 55 mv 70 mv 70 mv O 90 mv 90 mv

Listen The point of connection between two communicating neurons is called the dendrite the glia eaches 55 mv the axon hillock the cell body the synanin

Hg that are functions of astrocytes support and brace neurons control the chemical environment around neurons provide the defense for the CNS help determine capillary permeability Question 28 2 points 4 Listen Damage to the premotor cortex results in loss of motor skills programmed in that area but movement is still possible True

Insulin plays an essential role in regulating metabolism Insulin is released after a meal has been eaten It binds to its receptor on the surface of cells triggering a signal that ultimately leads to the movement of glucose transporters to the cell surface A The insulin receptor is a member of the tyrosine kinase family What is a kinase and what does it do B Insulin also inhibits expression of phosphoenolpyruvate carboxykinase PEPCK an enzyme in gluconeogenesis What is the result of this and why does this regulation make physiological sense C In individuals with type 2 diabetes insulin fails to inhibit PEPCK How would this effect blood glucose levels Explain the rationale for your response Be sure to refer to glycolysis and or gluconeogenesis in your explanation

Order the steps that lead to a change in the rate of the gluconeogenesis pathway Dragged and dropped options will be automatically saved For keyboard navigation SHOW MORE E PFK2 is phosphorylated E III E E Flux through gluconeogenesis increases The pancreas releases glucagon Fructose 1 6 bisphosphate is dephosphorylated

If a mutation occurred in which hexokinase lost its allosteric site for glucose 6 phosphate what would be the effect of this mutation on the pace of glycolysis in liver cells Selected answer will be automatically saved For keyboard navigation press up down arrow keys to select an answer a b the rate of glycolysis would increase a the rate of glycolysis would decrease the rate of glycolysis would not change Question 27 A recurring theme is that more energy is contained in a molecule that is Selected answer will be automatically saved For keyboard navigation press up down arrow keys to select an answer fully oxidized B

we can use these equations to find the following values for x y 5 5 2 x y 5 50 tan 0 5 8 5 50 Step 2 For the Cartesian coordinates 5 5 we have found the following values for the equivalent polar coordinates 2 50 tan 8 1 First we wish to find polar coordinates with r 0 To find the positive value of r we choose the positive square root to solve for r We are also asked to find 8 such that 0 8 2 As 5 5 is in the fourth quadrant we choose a value of 8 in the fourth quadrant with 0 8 2 such that tan 8 1 To finish we find that polar coordinates of the given point with the required conditions are as follows r 8

Jaspreet consistently cites and references her work and in doing so receives positive feedback and good grades from her professor Which aspect of inclusive communication is Jaspreet demonstrating Considering Her Audience Lying

Harry is the marketing manager of a firm which is facing an economic loss As a means of encouragement Harry sends an email to his team members saying We had similar challenges a couple of years ago and we did our best in overcoming the crisis I firmly believe that we can overcome the current problem just as we did in the past This is an example of Novice Communication Expert Communication

How does the fall relate to tragedies like 9 11 2004 carquabe people disasters such as the Tsunami of Caused a tsunami that killed over 225 000 and the CovID 19 pandemic in 2020 Based on the topic Resources how would you explain how good loving and all powerfull God allows Suffering and evil in his creation Explain how your reaction to evil events has caused you to reassess your worldview an

URINALYSIS For each of the urine samples tested use the ChemiStrip results key to identify any abnormalities or interesting observations of the sample and complete the chart below With the exception of pH and specific gravity SG normal readings are on the left side of the key and findings become more abnormal as one moves to the right Urine sample Sample A Clear pale yellow ChemiStrip Sample Results LEU NIT URO PRO pH BLO SG ChemiStrip Urinalysis Results Key TESTS AND READING TIME LEUKOCYTES SATIVE 2 minutes NITRITE 60 seconds UPOBILINOGEN U 60 seconds PROTEIN 60 seconds pil 60 seconds BLOOD 60 seconds REGATIVE SPECIFIC GRAVITY REGATIVE TRACE 5 0 NORMAL REGATIVE 1 000 TRACE L UNDE 1 mg app 6 5 HEXIGLYZED MODERATE 1310 1 8 HEMOLYZED 1015 SMALL 23 SMALL 1 829 MODERATE POSITYS 12 MODERATE 1 325 2000 N 1310 Interpretation of Results Observations and Abnormal Findings

pint warmth in cold environments 4 Listen In the legs of Canada geese counter current exchange is occurring Which two substances are moving opposite one another blood in veins and blood in arteries blood in arteries and oxygen heat in veins and heat in arteries blood in arteries and blood in capillaries blood in veins and interstitial fluid

size increases in animals Omigration to tropical areas becomes necessary for thermoregulation there is greater variability in metabolic rate it becomes easier to conserve body warmth in cold environments reproduction becomes limited to terrestrial environments there is an increase in the surface area to volume ratio Question 6 1 point Listen

What is meant by the description antiparallel regarding the two strands that make up the DNA double helix The double helix structure of DNA creates nonparallel strands Base pairings create unequal spacing between the two DNA strands One strand contains only purines and the other contains only pyrimidines The 5 to 3 direction of one strand runs counter to the 5 to 3 direction of the other strand

These bones form the pectoral girdle A femur and coxal bone OB humerus and scapula C clavicle and scapula D coxal bones

This accessory organ of the skin is composed primarily of dead keratinized cells A eccrine gland B apocrine gland C hair D sebaceous gland

Which muscle tissue type is controlled voluntarily A cardiac and smooth B smooth C cardiac OD skeletal

Which muscle is highlighted pronator teres flexor carpi radialis extensor carpi radialis brevis flexor digitorum superficialis Submit Request Answer LT VA 16 Life Size Muscle Torso 27 port 38 Scientific

Which muscle is highlighted teres major O triceps brachii O deltoid Oinfraspinatus 4 LT VA16 Life size Muscle Torso 27 part 3B Scientific P Pearson

collapsing estimating and predicting clustering classifying

Which of the following trees a c shows the same topology hypothesis as the tree on the left Select ALL that apply A a B W ww b

Question 4 Listen Light reactions produce ATP NADPH and O2 ATP NADPH and CO2 glucose ATP and O2 Oglucose ATP and CO ATP NADPH and H O

Low blood calcium Find an article from the library and or internet about low blood calcium that you find interesting and post a link It could be a news article from a source like the Washington Post an article posted by a science magazine journal like Science or National Geographic or a scientific research article You cannot post something like a Wikipedia or WebMD article however You ll probably have the best luck searching for things related to Homeostatic Imbalances Post the website link or video link for another student to read Include a brief statement about why you find the article interesting

The temporomandibular joint allows depression and elevation as well as rotation True False Question 16 2 points Listen The temporomandibular joint almost always dislocates posteriorly anteriorly inferiorly

3 In what way is cultural competency important in person centered planning O It aligns person centered planning and the traditional medical model It helps you recognize and be sensitive to cultural issues that may be impacting how a person approaches their treatment It allows you to avoid talking about cultural beliefs and values It promotes the clinician s cultural agenda

sly recognized similarities that seemed to connect slime molds and fungi are now considered to be OA adaptations for much different functions B variations of common ancestral traits C homologies OD examples of convergent evolution Question 19 1 point Saved

group of fungi include species that are referred to as mushrooms Basidiomycota yeasts Chytrids Ascomycota Zygomycota Question 23 1 point Listen Most fungi typically feed by unning small prey with extensive mycelia corticles