Cell Cycle and Cell Division Questions and Answers

List the 4 stages of neutrophil extravasation at a site of injury when the neutrophil exits the capillary into the tissue Explain what is happening at each stage For the toolbar press ALT F10 PC or ALT FN F10 Mac

genes are controlled before they converted into RNA in a process called In eukaryotes are A recessive control C pre translational B pre transcriptional control D inducible expression

esolved D By verifying patient eligibility By verifying prescriber ID NPI or DEA number By contacting the prescriber to change to an alternative medication By changing the quantity dispensed

Match the definition case study with the Personality Disorder in the box A pattern of distrust and suspiciousness such that other s motives are interpreted as malevolent A pattern of detachment from social relationships and a restricted range of emotional expression A pattern of social inhibition feelings of inadequacy and hypersensitivity to negative evaluation A pattern of disregard for and violation of the rights of others When Korina was twelve years old she began stealing from local stores Her delinquent behavior continued and became more serious as she entered adulthood She showed no empathy guilt or shame and always tried to manipulate other people with her superficial charm Which personality disorder does Korina display Alondra is extremely inhibited in social situations feels inadequate and is extremely sensitive to criticism from her family and her boss Sergio is a 15 year old male who is currently living at home Sergio rarely socializes and when he is not in school he spends most of his time on his computer Sergio says he has one close real life friend but no one has ever seen this person Sergio has a history of doing poorly in mainstream school He reports being very anxious at school because he doesn t fit in When interviewed Sergio was highly animated and often inappropriate with smiling and laughing He avoided eye contact with the interviewer Alizeth thinks that there are enemy agents walking around campus who are putting thoughts and images into her mind She believes that she then sends these thoughts out to other students and that these other students are secretly

e A zygote undergoes mitotic cell division to produce all of the other cells in the offspring Explain why DNA replication and mitosis result in little to no genetic variation among these cells 2 points

Sexual reproduction is associated with O mitosis melosis O binary fission

3 TAU is an important MAP for binding to actin to help its stabilization True o False

20 p53 can function during the cell cycle to halt cell cycle progression if DNA damaged True or False

p51 is an important molecule in M phase True or Fals

The unmodified RNA molecule that is the end product of transcription is A a homotranscript C fully translatable B a heterotranscript D in need of replication

16 Mitotic spindle formation requires microtubules to be highly dynamic through process known as dynamic instability True or False 17

15 VSnares are essential for initial vesicle attachment tethering to a target membrane True or False

alse 12 Proteins imported into the mitochondria must be unfolded to allow prope translocation across the mitochondrial membrane True or False 3 cdc25 ing

4 Golgi networks use translocators to export proteins True or False

2 A signal peptidase cleaves signal sequences from polypeptides proteins True False

Which of the following is NOT a step of RNA processing A 3 poly A tail C splicing out introns B adding an amino group D 5 GTP cap

34 For cancer cells to invade an organ and show reduced organization which cell adhesion molecule is altered in expression in these cancer cells Cadherins CAMS a b Condensin c Plastocyanin d APC e None of the above

In what way is transcription similar to DNA replication A both require unzipping DNA C both happen at the P site B both are exergonic D neither is enzyme catalyzed

6 During the pausing of G1 phase as a result of DNA damage p53 influences p21 how a binding to p21 RNA to produce P21 protein b binding to p21 promoter DNA to drive transcription of p21 c binding to p21 polypeptides to cause posttranslational modifications

O O they do not reproduce sexually by way of gametes they can receive genetic material from others in their generation regardless of species they have a short generation time and evolve rapidly All of the statemen are true regarding the indistinct defining of bacterial species

Students are learning about the processes of mitosis and meiosis and the reason for these processes in the human body They learn that humans have 46 chromosomes in each body cell and that these cells can undergo either process How would the results of mitosis and meiosis be different from each other A Meiosis would have two cellular divisions and produce four new cells with 23 chromosomes each B Mitosis would have two cellar divisions and produce two new cells with 23 chromosomes each C Meiosis would have one cellar division and produce two new cells with 46 chromosomes each D Mitosis would have one cellar division and produce four new cells with 46 chromosomes each

student was asked to develop a model to explain cell differentiation beginning with embryonic stem cells What processes should she show in her model to best explain this rocess stem cell division resulting in two identical daughter cells and cell differentiation giving rise to cells with a specific function stem cell division resulting in two daughter cells and cell differentiation resulting in one identical daughter cell stem cell division resulting in cells that have a specific function and cell differentiation resulting in two identical daughter cells stem cell division resulting in four daughter cells and cell differentiation resulting in two daughter cells

What type of chromosomes determine the gender of an organism A autosomal B sex C binary

The order of the phases of meiosis I are a prophase metaphase anaphase and telophase Ob metaphase anaphase prophase and telophase c interphase cytokinesis and prometaphase O d metaphase anaphase interphase prophase and telophase O e metaphase anaphase telophase interphase prophase and telophase

your at the neck and waist 2 Put on facial protection The facemask should fit securely over the nose and mouth Goggles should cover the eyes but not inte on ensuring that the cuffs of the glove cover the wrists and go over the gown O True 2 One important type of PPE is a respirator Which statement is FALSE about a respirator O A respirator is to be worn at all times when a patient is in droplet precautions A face mask is not appropriate It is important to be fitted for a respirator annually by your employer O After donning a respirator you should perform a seal check O After providing patient care you will remove the respirator outside of the resident s room O Faise 3 Identify the PPE to be used when giving a bed bath to a resident who has a skin infection or open wound Gloves only Face shield and goggles O Gown only Gloves and gown No PPE 4 4 When removing PPE it is important to know what areas of the PPE are considered clean vs contaminated Which area is considered contaminated Ties on the gown

2 Much of the evolution of different body shapes and forms occurs through mutations in a genes that time the development of and maturation of young animals b genes that provide new novel traits c genes that time regulate the development in the embryo d genes that regulate metabolism of alucose proteins and fats

Cell Division 1 List and sketch the phases of mitosis 2 What is cancer 3 Define crossing over and sketch an example of two chromosomes doing this 4 What are cells doing during interphase 5 List at least two ways mitosis is different than meiosis 6 What is a cell doing during interphase 7 Explain how nondisjunction affects the number of chromosomes in an offspring 8 In the karyotype find the two errors mutations For each list the pair in which the error occurs the type of error 28 28 28 35 XX XK XX 88 XX 88 28 88 12 10 Ahh an 15 13 14 XX XX AA AA 10 21 22 17

In the first phase of mitosis prophase the chromatin coils into chromosomes and spindle fibers start to form What else happens in this phase A The cell plate forms B The cytoplasm separates C The nuclear membrane starts to disappear 13

1 I read your May 10th column about electronic books or e books with great interest You made several good points about the disadvantages of e books You may have overlooked however some of the ways in which they are superior to traditional books Yes e books are expensive but they are also convenient and efficient Furthermore due to their environment friendly nature e books have the potential to change our planet for the better 2 E books for anyone who is unfamiliar with the term are about the same size and shape as regular books They have a large screen in the middle however This screen shows the reader a page of text that has been downloaded from a computer Once the reader has finished reading the page on the e book screen he or she scrolls down to see a new page The process continues until the entire book has been read 3 As you pointed out Mr Slocum it s great to lie on a warm sandy beach with a book You can do Question 1 1 pts Which paragraph would be the most appropriate place for David to add an explanation of some of the basic features of e books such as their interactive dictionary

salesperson Carlos employed which type of appeal migos ethos logos pathos Question 18 Which pattern demonstrates how the speaker s points are more favorable than alternative positions comparative advantage problem solution refutation Ition about his background as a used car 3F

7 Inhibitory phosphates that prevent M cdk from working are removed by what A ubiquination B proteosomes C cdc25 phosphatase D weel kinase E S cdk

5 What stage of mitosis is associated with sudden breakdown of the nuclear envelope A telophase B anaphase C prophase D prometaphase E metaphase

Use the following answer key to answer Questions 1 7 B G1 C G2 D S E M A Go 1 Which phase of the cell cycle is DNA replicated 2 Which phase is not part of Interphase 3 Which phase contains a checkpoint to ensure DNA damage is repaired before continuing the cycle 4 In which phase does cytokinesis occur 5 In which phase do non dividing cells spend most of their time 6 Which phase contains a checkpoint that will commit the cell to divide 7 Which phase is initiated by activation of a cyclin cdk complex that phosphorylates helicase

6 What event is associated with cytokinesis A mitotic spindle formation B spindle attachment to kinetochores C formation of cleavage furrow by microtubules D formation of nuclear envelopes E formation of cleavage furrow by actin myosin complexes

Your sister is pregnant with fraternal twins a separate fertilization produced each fetus What s the east one of the fetuses is female Multiple Choice O O O 1 3 2 3 1 4 X

A is a request for data results for action data or for both O Lists O Views O Query

Which of the following is NOT on a credit report CREDIT REPORT O Date of birth O Gender O Race O Public records

The time between the statement date and the payment due date without having to pay interest is called the O balance period O grace period O variable APR

Dan s credit card company charges him a different interest rate each year he has an active account with them What type of interest rate does Dan s credit card company offer O A fixed interest rate A fluctuating interest rate O An annual percentage rate APR O A flexible interest rate

In mitosis a diploid cell divides O 1 2 identical O1 2 different O2 4 different O2 4 identical time s to produce cells

What factors could have caused the African Buffalo population to increase from 1960 19757 Explain the effect increased buffalo population decreased buffalo population or had no effect of each factor below Competition with other herbivores Types of plants available Climate change temperature and precipitation Amount of land available Buffalo fences Presence of seasonal rainfall

The first line of defense against pathogens is specific and it can be a physical or chemical barrier True O False Question 2 The list below contains examples of innate chemical defenses O Skin internal endothelium of the esophagus peristalsis O Cathelicidin dermicin gastric acids urine Neutrophils thrombocytes B cells

lab you observe that all of the chromosomes in a cell line up in the middle of the cell single file You take a icture of the cell and label this phase O prophase O anaphase O telophase O metaphase

Whereas meiosis normally yields four haploid 1n or 1X products which ONE is found as the products of meiosis i e after the second division when there is non disjunction of one pair of homologues during the first division O A two 1n products and two 1n 1 products O B four 1n 1 products OC two 1n 1 products and two 1n 1 products OD four 1n 1 products O E two 1n products one 1n 1 product and one 1n 1 product

Which one describes how an amino acid substitution at position 12 in the polypeptide affects the functional properties of the mutant form of Ras known as Ras D in comparison t wild type Ras OA wild type Ras inactive when mitogen absent mutant Ras D inactive when mitogen absent O B wild type Ras constitutively active when mitogen absent mutant Ras D constitutively active when mitogen absent OC wild type Ras inactive when mitogen absent mutant Ras D constitutively active when mitogen absent O D wild type Ras constitutively active when mitogen absent mutant Ras D inactive when mitogen absent O E wild type Ras active only when mitogen present mutant Ras D inactivated by mitogen

Which one is a classic example of loss of heterozygosity O A spontaneous mutation of the retinoblastoma gene RB1 to mutant recessive allele rb1 B mis folding of Ras protein to a constitutively active state OC reciprocal translocation of SRY to X chromosome OD non disjunction in somatic cells O E absence of PARS pseudoautosomal regions on Y chromosome

When a mitogen activated signal transduction cascade is activated what happens to a the phosphorylation state of pRB and to b the status of pRB s E2F binding switch O A a pRB state phosphorylated b switch ON activated E2F bound O B a pRB state phosphorylated b switch OFF inactivated E2F released OC a pRB state is not phosphorylated b switch ON activated E2F bound O D a pRB state is not phosphorylated b switch OFF inactivated E2F released

Which one gives where mitogens can be found and where mitogen receptors usually are found A mitogens embedded in a cell s plasma membrane mitogen receptors in extracellular space outside of cells O B mitogens embedded in a cell s plasma membrane mitogen receptors in cytosol OC mitogens in extracellular space outside of cells mitogen receptors embedded in a cell s plasma membrane O D mitogens in cytosol mitogen receptors in extracellular space outside of cells OE mitogens in extracellular space outside of cells mitogen receptors in cytosol

1 What is the purpose of mitosis O To produce gametes O To produce more body cells O To stop the cells from dividing

6 Why do cancer patients lose hair after radiation treatment and chemotherapy 1 po O Because the radiation burns their hair O Because the cells don t divide frequently O Because the treatment targets frequently dividing cells