Biology Questions

9 Lumbar vertebra superior view 12 Cervical vertebra superior view

Draw without tracing the following skeletal elements and label the structures from y structure list that is visible in each identified view 1 Sphenoid posterior view 4 Ethmoid posterior view

3 Temporal lateral view 6 Sacrum posterior view

Identify the sutures 1 2 3 Te XT 3

Identify the indicated structure 1 2 3 4 1 2 4

Identify the indicated structure 1 2 3 4 2 3

Identify the indicated bone or structure 1 2 3 4 5 6 2 3 6 5

Identify the indicated bone or rib type 1 2 3 4 3 1

Identify the vertebrae type 1 2 3 4 5 I 2 3

Identify the indicated teeth 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8

Identify the bones of the orbit 1 2 3 4 5 6 2 v 3 4

6 Using colored pens or pencils show how 2 chromosomes are passed from the mother cell to the two daughte cells O 8 O

me next two questions ask you to think about how antibiotic resistance evolves within a atient infected by a tuberculosis bacterium that is sensitive to antibiotics It is a good dea to read both questions before you begin your answer a Describe the change that occurs in a population of tuberculosis bacteria with regard to antibiotic resistance within an infected patient during the generations BEFORE antibiotic treatment is initiated Make sure you explain both 1 WHAT changes and 2 HOW this change occurs b Describe the change that occurs in a population of tuberculosis bacteria with regard to antibiotic resistance within an infected patient AFTER antibiotic treatment is initiated Make sure you explain both 1 WHAT changes and 2 HOW this change occurs

What effect did the point mutation have on the sequenced polypeptide in this exercise Reference your results recorded in Data Table 2 in your explanation BI Type answer here Question 2 B IU What effect did the frameshift mutation have on the sequenced polypeptide in this exercise Reference your results recorded in Data Table 2 in your explanation T T O Word s

O True O False any cells QUESTION 23 Despite being correct about the first two tenets of the Cell Theory Schleiden and Schwann made an error about another central feature of cells What was their error O They stated that all cells were smaller than 2 in diameter O They claimed that all cells were exactly the same in every detail O They stated that all cells were immortal O They both agreed that cells could arise from noncellular materials O They claimed that all cells had nuclei through their entire existence QUESTION 24 The genetic material of a prokaryotic cell is present in a surrounding cytoplasm 1 a poorly demarcated region of the cell that lacks a boundary membrane to separate it from the

Which of the following are not considered to belong to the Archaea O Methanogens O Halophiles O Acidophiles O Thermophiles O Eubacteria QUESTION 11 is present in large quantities in all cells it is easy to purify and tends to change only slowly over long periods of evolutionary time QUESTION 12 Cells can grow and reproduce in culture for a limited period O True

You are conducting an experiment by trying to reproduce the work performed in 1891 by Hans Driesch a German embryologist You are working with a fertilized sea urchin egg and allow it to complete the first cell division after fertilization You then carefully separate the two cells of the embryo and allow their development to continue Based on Driesch s experiment which result below would you expect to happen O Both of the cells will die O Both cells develop into complete and normal embryos that are somewhat smaller O One cell develops into a normal though smaller embryo the other dies O One cell develops into half an embryo the other develops into the other half of the embryo O One cell develops into a defective embryo and the other dies QUESTION 26 Why are viruses not considered to be organisms and not described as being alive O Virions are unable to reproduce by themselves O Virions are not able to metabolize by themselves O Virions are not able to synthesize DNA by themselves O Virions are not able to assemble spontaneously O Virions are unable to reproduce by themselves to metabolize by themselves or to assemble spontaneously

QUESTION 16 Hematopoietic stem cells is capable of reconstituting the entire blood forming system of an irradiated mouse O True O False QUESTION 17 Cellular processes are highly regulated O True O False ally from scratch is known as QUESTION 18 Cyanobacteria are obviously capable of photosynthesis but many of them also convert nitrogen gas into reduced forms of nitrogen such as ammonia that can duding amino acids and nucleotides This process is called

Arabidopsis thaliana is a model organism for human O True O False QUESTION 8 Who was the first person to describe living single cells O Leeuwenhoek Hooke O Schleiden O Schwann O Virchow QUESTION 9 antial to proliferate as is characteristic of ES cells

QUESTION 27 The blood forming cells are particularly sensitive to and toxic chemicals QUESTION 28 What is the most appropriate unit of measurement for macromolecular complexes including ribosomes and microfilaments O picometers O angstroms O nanometers Omicrometers O centimeters QUESTION 29 Bacteria often live in complex multi species communities like the layer of plaque that grows on your teeth such a community is called a n

What factor or factors discovered with electron microscopy distinguished prokaryotic from eukaryotic cells Otheir size Otheir color O the types of their internal structures or organelles Otheir fragility Otheir size and the types of their internal structures or organelles QUESTION 14 Bacteria will often pass a piece of DNA from a donor bacterial cell to a recipient bacterial cell presumably through a structure called a pilus What is this process called O confirmation O transduction O transformation O conjugation Ofission QUESTION 15 The field of biological research in which biologists are attempting to create a living cell in the laboratory essentially from scratch is known as

mulight Microscopes were constructed by the end of the sixteenth century What is a compound microscope O It has a moveable stage O It has two lenses O Its lens is double the size of the original microscopes O The lens has two different colors O They have two different light sources QUESTION 31 Which of the following statements about viruses is not true O All viruses are obligatory intracellular parasites O All viruses are obligatory intercellular parasites O Viruses occur in a wide variety of very different shapes sizes and constructions O A viral host may be a plant an animal or a bacterial cell O Viral genetic material can be either RNA or DNA QUESTION 32 Potato spindle tuber disease which causes potatoes to become gnarled and cracked is caused by an infectious agent consisting of a small circular RNA molecule that totally lacks a protein coat These infectious agents are thought to exert their effects by interfering with the cell s normal path of gene expression Such an infectious agent is known as a n

QUESTION 20 The process by which a relatively unspecialized cell becomes highly specialized is called QUESTION 21 What advantageous uses have viruses been shown to have O The activities of viral genes mimic those of host genes so they are useful for studying mechanisms of DNA replication and gene expression in their much mo complex hosts O They can be used as a means to introduce foreign genes into human cells which may serve as a basis for treatment of human diseases by gene therapy O Insect killing viruses may play an increasing role in the war against insect pests O Bacteria killing viruses may play an increasing role in the war against bacterial pathogens

From what is the lipid containing outer envelope surrounding the viral capsid of many animal viruses derived O the nuclear envelope O the outer mitochondrial membrane O the plasma membrane O the lysosomal membrane O the outer membrane of the chloroplast QUESTION 37 Usually a virus infects a cell and arrests the normal synthetic activities of the host redirecting the cell to use its available materials to manufacture viral nucleic acids and proteins which assemble into new viruses Ultimately the infected cell ruptures and releases a new generation of viral particles that can infect neighboring cells This type of infection is called a n infection QUESTION 38

QUESTION 45 Cells grown in culture outside the body are called cells They have become an essential tool of cell and molecular biologists QUESTION 46 Drosophila melanogaster is considered as model organism for animal O True O False QUESTION 47 The rapidity and cost efficiency of DNA sequencing has made it possible to sequence virtually all of the genes present in the microbes of a given habitat This generates a collective genome for that habitat which has come to be called a n

Who is generally credited with the discovery of cells O Leeuwenhoek Hooke Schleiden Schwann O Virchow QUESTION 40 The collection of bacteria that live on and within the human body are being isolated identified and characterized they are referred to as the human QUESTION 41

Cells carry out a variety of emotional reactions O True O False QUESTION 34 Adult stem cells cannot be isolated directly from the patient and grown in culture O True O False QUESTION 35 The supportive cells of the brain are called

Which of the following is not a model organism Mus musculus O Drosophila melanogaster Homo sapiens O Arabidopsis thaliana O Caenorhabditis elegans QUESTION 43 Which of the following is not typically a behavior exhibited by a cell with a proviral infection O Immediate production of new viruses and subsequent lysis of the host cell O Normal behavior until exposure to a stimulus like UV radiation that activates dormant viral DNA leading to lysis of the host cell and release of viral prog O Production of new viral progeny that bud at the cell surface without lysing the infected cell O Loss of control in animal cells over their growth and division followed by malignancy QUESTION 44 Pluripotent cells are capable of differentiating into every type of cell in the body True

The purpose of bone marrow transplantation and blood transfusion are similar O True O False QUESTION 49 The first culture of human cells was begun by George and Martha Gey of Johns Hopkins University in 1951 The cells were obtained from a malignant tumor and named a cells after the donor b QUESTION 50 The most appropriate unit of measurement for most types of cells is angstroms True 4

QUESTIO You are observing a cell Its cell wall is made of peptidoglycan and contained pigments capable of photosynthesis what would it be called For the toolbar press ALT F10 PC or ALT FN F10 Mac BIUS Paragraph V Arial I V 10pt V A v v I Q

QUESTION 4 What nucleic acid related characteristic distinguish between prokaryotic and eukaryotic cells For the toolbar press ALT F10 PC or ALT FN F10 Mac

QUESTION 5 How virus and viroid are different based on nucleic acid content

16 Why is it important for DNA to replicate during interphase before meiosis Does it replicate between meiosis I and meiosis II

3 What nucleotide will be added to strand B next

Match the fossil type with the description cast mold These can be created when an animal walked in mud long ago and then the mud hardened into rock This type of fossil shows an impression of the organism in rock These can be made from animals or plants trapped in ice tar or amber Once an organism has been dissolved away this type of fossil is left behind original part TESTAU cast 3D This type of fossil is a mold that was filled in and then turned to rock This shows a negative image of the animal plant or other organism These fossils show the organism in a 3D form sticking out from the rock This shows a positive image of the animal plant or other organism mold impression T mold negative image trace fos

Match the fossil type with the description PLEASE READ THE DESCRIPTION CAREFULLY use context clues Scientists use these types of fossils to study animal behavior how they moved etc Examples include footprints burrows and coprolite original part color These fossils show the evidence of activity The original features color etc of the organism remain intact mold using plaster In these fossils the soft tissues of the organism never decay The actual plant or animal is the fossil in this type of fossil After an organism dies minerals seep into the mold they leave and form this type of fossil Scientists can use plaster in order to make a cast fossil from this type of fossil cast minerals seep trace activity trace poop

In the box below list the names and types of 4 real fossils shown in the picture Do not list the non fossils 4 fossils only Example Name Fossil Name Type Mold 500 te 15

Where does liquid rock occur

a Find all the parts described in Part 1 of the procedure and discuss what their are a few differences between our microscopes vs this photo Coarse focus Fine focus Mechanical stage knobs Dial One Off switch From wiki commons Nikon Ocular lens Objective lens 125 Slide holder Stage Iris diaphragm Condenser knob hidden b How much does the third lens high power magnify 0000001930 TRAS c Which lens should you never use this semester il s

What aging related research questions would you want to answer How would you go about examining these research questions using a cross sectional design Who will be your target sample How will you get your sample How are you going to measure your research questions What are some drawbacks things your design can t answer This will help you think about your interests in the field of

As a measure of your participation you will write 200 word minimum responses to the readings as well as responding to at least one other post In these posts I want to see concrete examples where you critically reflect on the readings This can include citing specific photographs and photographers theoretical connections between different readings ideas themes and or the author s own argument Please refer to my separate guide on discussion posts for full details

Given an individual who is heterozygous for two traits A and B upper case indicates the dominant allele lower case indicates the recessive allele genotype AaBb which of the following accurately represents the chromosome pairing in meiosis I Assume A and B are on different chromosomes and no recombination has taken place Select all that apply Option 1 Option 2 Option 3 A ABB a ab b Option 1 Option 2 Option 3 Option 4 Option 5 Aa a thath B Bbb 4446 A Aa a bbB B Option 4 AaAa BbBb Option 5 BB

Drag the appropriate labels to their respective targets Medulla Lymphoid follicle Mesenteric lymph nodes Cortex Locations of lymph node dusters Cervical lymph nodes Afferent lymphatic vessels Capsule Germinal center Valve Axillary lymph nodes Inguinal lymph nodes Section through a lymph node Trabecula Subcapsular sinus Efferent lymphatic vessel Hilum Vein Artery Reset Help

What is the extinction coefficient in 1 M cm at 280 nm for the unfolded peptide with the following amino acid sequence MKWVYTFISLLW 12660 12615 12785 12490

a With your total magnification set at 40x and the top thread in focus is the bottom thread visible In focus b With your total magnification set at 100x and the top thread in focus is the bottom thread visible In focus C With your total magnification set at 400x and the top thread in focus is the bottom thread visible In focus d What does this tell you about the relationship between magnification and depth of field

a When viewing with the scanning lens 4x is the letter e right side up or upside down b When you move the slide right which way does the letter e seem to move c Why is it important to reposition the lettere in the middle of the field of view before moving to a higher magnification d Can you see all or just part of the lettere at high power x40 e What do you do if can t find a specimen at a higher magnification either at 100x total or 400x total List the steps below

A Fill in the missing words 1 The smallest part of your body is 2 Your leg is made up of 3 All 4 When one cell divides it makes 5 Cells take in 6 Cells give off 1651431 B Answer True or False Br a cell your hand one cell many cells are made of cells objects living things cells 2 4 food wastes food wastes 1 Cells are in all living things 2 A plastic comb is made of cells 3 You need a microscope to see some cells 4 Cells divide and make more cells 5 You grow because your cells divide 6 When you stop growing your cells stop dividing 7 You are made up of one very large cell Name two jobs of a cell Answer the questions I What are your body and all other living things made of How do cells grow in number Most cells are very small How could you see these cells

Complete the labeling activity Drag the appropriate labels to their respective targets Use labels of Group 1 for the tissues or organs and labels of Group 2 for the structures spleen MALT of intestine red pulp white pulp Peyer s patches Group 1 Group 2 Group 1 Group 2 Group 2 Reset Help

1 Match the vocabulary term with the correct definition Term 1 Allele 2 Genotype 3 Phenotype 4 Hybridization 5 Linked genes 6 Heterozygous 7 Homozygous 8 Heredity Definition I a A cross between two individuals that have different traits b Organisms that have two different alleles for a gene c Different versions of a gene d Genes that are close together on a chromosome and are packaged into the gametes together e The passing of characteristics from parent to offspring g An organism s genetic makeup h An organism that has an identical pair of alleles for a trait j An organism s physical traits

An organism that obtains energy rich nutrients by consuming living or dead organisms is called a n autotroph True False A n dichotomous key is a diagram depicting the evolutionary relationships between different species or groups True False Autosomal inheritance refers to the inheritance of alleles located on sex chromosomes True Falce 1 point 1 point 1 point