Anatomy of Flowering Plants Questions and Answers

7 Draw the floral diagram and write the floral formula for the flower below Q8 Delete this text and fill in your answer here 8 Of the two orders covered in today s lab to which order does this flower most likely belong Delete this text and fill in your answer here

In differential centrifugation a None of the these b The more dense particles sediment form a pellet at lower speeds leaving the less dense particles in the supernatant The less dense particles will settle pellet at higher speeds c The more dense particles sediment form a supernatant at lower speeds leaving the less dense particles in the pellet The less dense particles will settle pellet at higher speeds d The less dense particles sediment form a pellet at lower speeds leaving the more dense particles in the supernatant The more dense particles will settle pellet at higher speeds

We homogenize tissue to lyse the cells True False

Which step of the cell fractionation procedure separates broken cells into fractions a Centrifugation Ob Lysing c Purification d Collection Question 7 1 point Listen Azide acts as an inhibitor to the electron transport chain When azide is removed the SDH activity would be increased True

Label the following illustration of a spirochete cell A Outer membrane sheath B Periplasmic space Protoplasmic cylinder Flagellum

In the protein isolation experiment what did we do to make the negatively charged proteins pass through the positively charged beads We used increases and decreases in temperature to build amplicons We used partial pressures to drive samples through the beads We used G forces to push the samples through the beads We used salts of increasing concentrations to release proteins from the beads

What are the building blocks that make up proteins Monosaccharides Fatty acids Nucleotides Amino acids

Correctly label the following illustration of movement of energy through Earth s biosystem Consumers biomass Earth s biosphere Energy is gained Order increases Sun s energy 4 Earth Outside Earth Energy is dissipated Order decreases B O Decomposition Photosynthesis Light Heat Heterotrophy

A patient with major thalassemia is on chronic transfusion therapy Which of the following patient histories might suggest future transfusions with saline washed RBCs O History of transfusion associated sepsis O History of multiple red cell alloantibodies O History of multiple urticarial reactions O History of previous DIC O History of iron overload

The majority of Anaphylactic reactions to blood transfusion are usually caused O Mast cell deficient recipient O Anti IgG in IgA deficient recipient O IgA deficiency O IgG deficiency Anti IgA in IgA deficient recipient

O peripheral proteins O carbohydrate anchored protein O transmembrane QUESTION 12 What kind of membrane protein penetrates into the hydrophobic part of the lipid bilayer O integral protein Olipid anchored protein O peripheral proteins O transmembrane protein O both integral protein and transmembrane protein QUESTION 13 Why are integral membrane proteins difficult to study O They are difficult to isolate in soluble form due to their hydrophobic transmembrane domains O They are difficult to isolate in soluble form due to their hydrophilic transmembrane domains O They are so small O They are so large O None of these are correct

4 Size Complete the table below Unique structures Shape Locomotion Amoebas Foraminiferans and Radiolarians Flagellates C

The most common element found in living organisms is Carbon Water Oxygen Calcium

A reliable source about the usefulness of an herbal supplement is likely to be recognizable by all but one of these characteristics Choose the exception The information is in a primary source The information is published in a peer reviewed journal Many reputable references are cited The authors are employed by the manufacturer of the supplement

Which of the following are NOT true of vascular tissues in herbaceous stems Xylem can be comprised of vessel elements and fibers as well as tracheids and ray cells Phloem is alive at maturity and transports sugars The metabolically active sieve tube members of phloem support the companion cells Xylem transports water and minerals

ng is NOT a component of the endom endoplasmic reticulum Golgi apparatus lysosomes plasma membrane Question 36 1 point 4 Listen The central vacuole of plant cells do all of the following EXCEPT Contains digestive enzymes Stores organic nutrients Absorbs water

What are genes composed of insulin 00 organelles Otissues DNA

DNA nucleotides include Ouracil guanine adenine and cytosine thymine uracil adenine and cytosine thymine guanine adenine and cytosine thymine guanine adenine and uracil

Which of the following is NOT one of the four life supporting properties of water Water has cohesive properties Water can moderate temperatures Frozen water floats Water is a common solute of life

A polypeptide is a long chain of amino acids bonded together by Ohydration reactions phosphodiester bonds peptide bonds hydrogen bonds

Which sequence shows the steps of the process of science in an order in which they might occur experiment conclusion exploration application question observation experiment analysis prediction exploration hypothesis prediction experiment exploration question opinion conclusion hypothesis

A change in the genetic code of an allele is called a pedigree True O False The larger the number of individuals in a population the greater the influence of genetic drift O True O False Evolution is the change in the genetic makeup of a population over time O True False 1 point 1 point 1 point

Which of the following is a unique characteristic of algae O unicellular O O motility photosynthesis presence of a cell wall

A DNA sample gave a purity ratio of 1 That means that the sample is Pure DNA O Contaminated with proteins Contaminated with lipids Contaminated with carbohydrates

The absorbance of a sample as measured by UV visible spectrometry is inversely proportional to the concentration of the sample such that as the concentration increases the absorbance decreases True or false True False

Molarity is defined as the number of moles of solute that are dissolved in 1 mL of solution True False

1 Examine the moss sample which is a bryopsid Also examine the individual mess plant under the binocular scope Sketch it and estimate the length from green to tip to brown base Why do you think we never see 10 foot tall moss knowing what you do about its tissue

Miocese Mill on years ago Oligocene Eocene South America 25 50 55 Merychippus ar anippus andduojay 19 Mesohippus wounddecons Hyracothere clades Marychippus North America und ausg KEY Megahippus Old Wolsd i po pro Mostly grazers Mixed feeders Mostly browsers Choose all of the answers below that are correct with regard to the figure provided above Modern horses have more toes than extinct horses This figure tells us about the phylogenetic relationships among the horse species depicted Horses have increased in size over time The only extant horse depicted in this figure has teeth with relatively large grinding surfaces As shown with the green bars the largest adaptive radiation during horse evolution occurred during the Eocene Oligocene periods

O Used to study the expression of interacting groups of genes Used to detect the presence of proteins in tissue detailed information about the structure organization and function of the complete set of hu genes the process of determining the precise order of nucleotides within a DNA molecule

16 Plant requirements explain how the parts of a plant differ and how they are specialized to be efficient for photosynthesis a Why do some plant cells undergo mitosis division more than others

The lungs digestive sytem pancreas originate from which of the following germ layers Ectoderm Oendoderm Mesoderm

What would be a way for the Federal Reserve the central bank to slow down the economy when it is growing too fast with inflationary pressures increase interest rates print more money O decrease corporate taxes decrease government spending

QUESTION 33 What stage of cellular respiration can occur in human cells with or without oxygen present O The Krebs cycle O Glycolysis O The electron transport chain O Pyruvate oxidation QUESTION 34 What is common to all of the oxidation reactions in the Krebs cycle O They all lead to the generation of NADH O They are all decarboxylation reactions O They are all characterized by a loss of electrons from an organic molecule coupled to the reduction of an electron acceptor They all lead to substrate level phosphorylation of ADP to generate ATP

This figure shows the life cycle of a moss Match the letters in the figure with the process that is taking place at that point in the life cycle Use each term only once Bryophyte Life Cycle Male Gametophyte Female Gametophyte Fertilization Germination Mitosis Developing Gametophytes A Antheridia Sperm d Archegonia Developing Gametophytes 2 B Zygote Embryo Young Sporophyte 1 Choose 10 Choose Choose Female Gametophyte Spores Mature sporophyte C Sporangium New Generation Starts Spores New Generation Starts Dect Bot Pinn Sam 2002

B Complete the following exercise 1 Make a concept map showing the different types of inheritance analyses

the utations in each of the mutants are recessive or dominant you creted partial diploid bacteria by introducing into mutant cells a plasmid carrying an intact copy of the entire WT operon and the I gene I P O Z Y A For each of these strains match the sugars in the medium with the expected levels of the enzyme galactosidase Gal The expression levels are high low and extremely low practically no activity The first experiment was your control where you introduced the plasmid into the WT strain The genotype of the host cell is to the left of the slash and the genotype of the introduced plasmid is to its right Host strain plasmid I P O Z Y A I P O Z Y A lactose glucose glucose and lactose Question 31 ISP O Z Y A I P O Z Y A glucose lactose Choose Choose Choose Choose Choose 3 pts

I P O ZY A I P O Z Y A glucose and lactose lactose glucose Question 33 I P OcZ Y A I P O Z Y A glucose and lactose lactose glucose Choose Choose Choose Choose Choose Choose

Each of the following is a G protein coupled receptor GPCR or type of GPCR except B adrenergic receptors opioid receptors steroid hormone receptors Oolfactory receptors

Which of the following organelles produces and modifies polysaccharides that will be secreted by a eukaryotic cell Olysosome mitochondrion Operoxisome Golgi apparatus

is a drug that blocks cell division by stabilizing microtubules as a result it is used in the treatment of Vincristine listeriosis Taxol breast cancer O Nocodazole athlete s foot

Generation of an action potential by a neuron may ultimately stimulate another nerve cell skeletal muscle cells gland cells All of the above may be stimulated by a signal

recycling of receptors mRNA export from the nucleus uptake of completed polypeptides with special targeting signals into the organelle bringing nutrients into the cell

One of the following statements is true about oxidation of alcohols O A primary alcohol is always converted to aldehydes O A primary alcohol is always converted to carboxylic acids OA secondary alcohol is always converted to aldehydes A secondary alcohol is always converted to ketones All of the above

7 Describe the boundaries or barriers cell walls create 8 How are cell walls created what does their structure consist of

Fragile X is a triplet repeat disease True O False

Discuss how Life on land offered many opportunities that plant adaptations took advantage of and give some examples Edit View Insert Format Tools Table

The oxidizing agent during glycolysis is NAD TL pyruvate NADH oxygen Question 9 tor in lactic acid fermentation is

Determine whether the samples are independent or consist of matched pairs The effect of caffeine as an ingredient is tested with a sample of regular soda and another sample with decaffeinated soda O Matched pairs

5 Examine the cross section of an angiosperm tree trunk provided here Label the angiosperm tree trunk with the locations of the vascular cambium secondary xylem secondary phloem Distinguish between wood and bark heartwood and sapwood and a growth ring You may need to export the picture to an app that allows picture editing functions PPT Word etc Be sure to include a figure title labels and notes

Which of the following statements correctly describes alternative RNA splicing It is a mechanism that can increase the rate of transcription It can allow the production of different protein products from a single mRNA It allows the production of similar proteins from different RNAs It increases the rate of transcription