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December 19, 2014

Search: Biology, Cell Division

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Biology, Cell Division
With each cell division , the chromosomes are divided between 2 daughter cells, yet the number of chromosomes in each cell does not change. What process ensures that the normal number of chromosomes is restored after each cell division? During which part of the cell cycle does...
February 5, 2007 by marco

Biology
Compare the functions of a normal cell and that of a cancer cell with regards to cell division. Discuss the cell cycle control system and checkpoints and how these might be altered in a cancer cell.
November 5, 2007 by Mai

Science* Please Help Me !
How would cell division help heal a broken bone? Why do cuts and disappear when in the process of cell division? What is the main purpose for cell division?
December 19, 2012 by Kate

Biology
In females the first meiotic cell division produces______cells. One of the cell is _____ than the other and is called the ______. The Polar body stays attached to the _______. The larger cell is called the _______amd ot ,atires omtp tje _______. The second meiotic cell ...
January 23, 2008 by Carol

Biology
Which of the following must occur for a plant or animal to grow and develop normally? a) Sufficient oxygen must be available to stimulate cell division. b) Theorganism must recive a supply of the appropriate horones from its parents. c) It must be able to control the timing ...
November 13, 2009 by Terrye

biology
The height of a man grows on cell division.During cancer there will be uncontrolled mitotic division.That is cell divides continuosly.Does the height of the person increase when he get cancer.
August 22, 2011 by abhinav

BIology
A cell cycle is exposed to intensive UV irradiation that results in damage to the cells DNA. Shortly after UV exposure, the cell receives signals telling it to undergo cell division. What are the most likely next events to occur in the cell? A- The cell will undergo mitotic ...
November 24, 2009 by Anonymous

biology
I will connect Gametes with A.Chromatid B. Cell C. Cell Division D. 46 E. IPMAT F. Cytokinesis AND WHY?
January 26, 2009 by Taylor

biology
how do chromosomes move inside a cell during each stage of cell division?
March 31, 2013 by hannah

biology
1. Explain the problems that growth causes for cell 2. Describe how cell division solves the problem of cell growth
December 1, 2008 by Johnson

Biology
1. In females the first meiotic cell division produces____cells. 2. One of the cells is ___ than the other and is called ______. 3. The polar body stays attached to the ____. 4. The larger cell is called the _____ and it mature into _____. 5. The second meiotic cell division ...
January 24, 2008 by Sue

Science 7R
What are 2 types of cell division? Meiosis- cell division that produces gametes or sex cells for reproduction Mitosis- cell division that produces identical, "daughter" cells for things like skin regeneration or replacing dead cells. Am I correct?
January 17, 2012 by Laruen

biology
The synthesis (S) phase is characterized by DNA replication. cell division. replication of mitochondria and other organelles. the division of cytoplasm.
April 15, 2010 by ballamoney1

Biology
Read the statment and then say which answer is right, why its right and why the others are wrong. I think the answer might be D but I don't know how to explain it or if it is even right. A biologist marked a cell which she knew was about to undergo meiosis. A short while later...
December 18, 2007 by Kathryn

biology
what is cell division called
October 22, 2009 by anthony

biology
Describe the significance of the Law of Segregation and its relationship with cell division.
November 12, 2007 by chanell

Biology
What is the process by which a chromosome replicates itself prior to cell division.
May 26, 2009 by Winter

biology
With each cell division , the chromosomes are divided between 2 daughter cells, yet the number of chromosomes in each cell does not change. What process ensures that the normal number of chromosomes is restored after each cell division? During which part of the cell cycle does...
February 5, 2007 by marco

Biology
I need help with a crossword and I cant figure out what the words are too these clues: Possible opening found in the cell membrane substance which makes up cell walls granular material in the nucleus that thickens to become chromosomes the endoplasmic reticulum is a network of...
September 15, 2009 by Jillian

Bio
-What is the process of somatic (body) cell division called? -What regulates cell division? -What are the different modes of inheritance? -What are the sources of mutation? -What are the different types of mutation?
November 2, 2009 by Anonymous

BIOLOGY please help
The first phase of somatic cell division is (A) __________, when the cell’s chromosomes condense, and the nuclear envelope that holds the chromosomes starts to break up. During this time, structures called the (B) __________ form from centrioles, which will attach to the ...
May 21, 2014 by me

Biology
1. How can transport be disrupted in a cell? 2. How does the cell membrane work? 3. How does the cell communicate with the outside and inside environment? 4. How does the cell use 1-3 to help maintain homeostasis?
January 19, 2010 by hansanie deonarine

Science
Read the statment and then say which answer is right, why its right and why the others are wrong. I think the answer might be D but I don't know how to explain it or if it is even right. A biologist marked a cell which she knew was about to undergo meiosis. A short while later...
December 18, 2007 by Kathryn

biology
Please help me answer these questions: 1. Advantage and disadvantage of cell division on the economy of animal? 2. In what part of plant is most likely to find mitosis? 3. Where to look to find mitosis in animal? 4. During what stage of the cell are the individual chromosomes ...
July 8, 2007 by klar maesen

Pre-Ap biology
After an organism is gully grown, cell division continues to function in renewal and repair, replacing cells that die from ________________ During the growth phase (for a cell) known as _____________...is this one interphase? The mitotic phase itself consists of 2 stages ...
October 23, 2009 by Anonymous

HELP, PLEASE-Science
Read the statment and then say which answer is right, why its right and why the others are wrong. I think the answer might be D but I don't know how to explain it or if it is even right. A biologist marked a cell which she knew was about to undergo meiosis. A short while later...
December 19, 2007 by Kathryn

biology
many organelles and molecules needed for cell division are formed after DNA replication and before mitosis.In which phase are they formed??
September 6, 2011 by christina

biology
6. During division in cellular reproduction, the DNA and cytoplasm of the parent cell is distributed to two A. chromosomes. B. clones. C. simplified cells. [D. daughter cells.]
October 3, 2012 by jake

Chem
why is an understanding of chemistry important in biology? All digestion, nutrition, muscle usage/reactions, cell division/reproduction, and all of the enzymatic processes at work in the body are chemisty. Even eyesight is a chemical reaction. So you need to know something ...
June 18, 2006 by Samantha

AP Biology
A biologist measured the amount of DNA in several single diploid cells taken from a culture. He knew that these cells could divide mitotically, but not meiotically. His data is shown below: Cell Number and DNA content in micrograms: Cell 1 (11.1 micrograms) Cell 2 (5.4 ...
March 12, 2011 by Anonymous

genetics
Once the _______ checkpoint is passed in the cell cycles, the cell is committed to division
May 14, 2013 by Anonymous

Science
How many cell divisions would it take to produce at least 1,000 cells from one cell? (When one cell splits in half during cell division, the result is two new cells. Each of those cells can divide into two more and so on.) Answer (256?)
April 21, 2014 by Anonymous

biology
Replication of the E. coli chromosome takes 40 to 45 minutes, but the organism has a generation time of 26 minutes. How does the cell have time to make complete chromosomes for each daughter cell? For each granddaughter cell? my reponse was that the cells don't fully replicate...
March 29, 2010 by anon

Biology: Why do cells divide?
Which cells in the human body divide most frequently? Why is this? What activities or conditions spur cell division? What slows it down?
February 13, 2011 by TheQuestion

Biology
All cell are surrounded by membranes. The main role of the cell membrane is to A.regulate the cell's interactions with the environment b.release any type of molecule out of the cell c.arrange the cell's organelles in the cytoplasm d.prevent water from leaking out of the cell ...
October 17, 2011 by Mario Garcia

Biology
All cell are surrounded by membranes. The main role of the cell membrane is to A.regulate the cell's interactions with the environment b.release any type of molecule out of the cell c.arrange the cell's organelles in the cytoplasm d.prevent water from leaking out of the cell ...
October 17, 2011 by Mario Garcia

Biology
In what ways are plasma membranes, cell walls, capsules, and sheaths only the outer limits of a cell and not the cell"s boundaries?
September 18, 2010 by Bea

Biology
In what ways are plasma membranes, cell walls, capsules, and sheaths only the outer limits of a cell and not the cell"s boundaries?
September 18, 2010 by Bea

Biology
In what ways are plasma membranes, cell walls, capsules, and sheaths only the outer limits of a cell and not the cell"s boundaries?
September 18, 2010 by Bea

Biology
What type of cell would you expect to have more mitochondria, a skin cell, or a cardiac muscle cell? Explain why. Thank you all!
March 6, 2008 by Biolover!

Biology
During the cell cycle, if the cell detects that mistakes have been made in replication, the cell may die by apoptosis. True/False
January 29, 2012 by Jaxon

Science 4th grade
1. The cell------------ surrounds the cell parts. 2. The process of cell division is called --------------. 3. -------------are structures that release energy food. 4. --------------- are structures that stores food, water or wastes. ANSWERS. 1.wall 2.mitosis 3.mitochondria 4....
September 8, 2008 by LaNoria

Biology
Growth by cell division that makes both ends of a plant longer but not wider is called A secondary growth. B annual ring growth. C vascular growth. D primary growth. is it D? thanks
June 13, 2012 by Alexa

biology
need help few questions 1. a signaling cell produces a signal that is detected by what type of cell? 2. If the interior of a typical cell is negatively charged, what type of charged ions will not require energy to diffuse into the cell using an ion channel? 3. Receptor ...
November 11, 2014 by ava

biology
One of the way that a virus can avoid being detected by the immune system is to egress from the host cell by: a. lysis b. Excocytosis c. Direct cell cell spread d. budding
September 14, 2009 by biology

biology please help!
the answer for each is a cell part what is the powerhouse of a cell & site of ATP production? what supports the shape of the entire cell what is involved in muscle contraction in larger organisms
October 19, 2009 by Amy

biology please help!
the answer for each is a cell part what is the powerhouse of a cell & site of ATP production? what supports the shape of the entire cell what is involved in muscle contraction in larger organisms
October 19, 2009 by Amy

Science
How many chromosomes are in the original cell compared to those in the new cells formed by cell division? a.) the same amout b.) half as many c.) twice as many d.) four times as many
September 20, 2007 by Brittany

biology
imagine if you are a water molecule outside of an animal cell of a human.the person just drunk the glass.write a persuasive letter to the cell membrane convincing it to let you inside the cell.
January 28, 2010 by dashia

science
which of the following is not part of cell theory? A. cells are the building blocks of life B. all living things are made up of cells C. all cells are created from other cells though cell division<------------ D. The nucleus is the control center of the cell
May 7, 2014 by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Biology
What type of cell in the central nervous system play an important role in the uptake and processing of neurotransmitters from synaptic clefts? neuron oligodendrocyte microglia endothelial cell ependymal cell
April 10, 2013 by Anonym

Biology
3) The following statements are generalizations about cell signaling events made by a student with a basic knowledge of biology (a little knowledge is a dangerous thing). Your professor has requested that you tutor this student. You note that in each case there are several ...
October 15, 2012 by melody

BIO
1. What are two examples of developmental processes shared by vertebrae embryos? 2. Why do you suppose sexual reproduction evolved, if it is a more difficult process than cell simple cell division?
December 9, 2008 by Anonymous

biology
Organisms must be able to adapt to a changing external and internal environment. An organism's ability to maintain a stable internal environment is known as homeostasis. How does a cell's membrane help an organism maintain homeostasis? A. Cell membranes use a large portion of...
March 21, 2012 by Monique

Biology
Is the cell wall considered a thick gelatinous layer? Or would it be the cell membrane? And does the cell membrane contain enzymes for respiration?
August 26, 2008 by anonymous

Biology
The average human cell that is capable of dividing has a cell cycle of 20 hour. How many cells would there be in one week if they start with one cell at time zero?
November 13, 2007 by Maria

Science-changes to a cell's DNA
1.which section of the cell does cancer have an effect on? ~the genes controlling the cell division? 2.what charteristic of cancer cells lets cancer to extend to other spots of the body? ~Malignant tumours(metastasis)? 3.y r cancers that metastasize more precarious than ...
May 12, 2010 by Sara

biology
Which of the follow comparisons would be an inaccurate analogy between prokaryotic cells and eukaryotic cells? A - A eukaryotic cell is like a college campus was a prokaryotic cell is like a one-room schoolhouse B - A eukaryotic cell is like a flip phone while a prokaryotic ...
September 28, 2014 by Sue

Biology
Determine which aspect of a eukaryotic cell can be eliminated without interfering with cell survival. Write a proposal, stating which structure you intend to eliminate, what its function is within the cell, and how the cell will be able to function in its absence. Assume the ...
May 22, 2010 by Chelsea

life science
a.)What are the steps of mitosis? b.)Explain what each of the steps mean. c.)What are the steps of cell division? d.)Explain what each of the steps mean. e.)Compare and contrast mitosis and cell division.
November 14, 2010 by Bridgett

biology
In mitosis, what is the size of a daughter cell relative to the size of the parent cell? If an onion cell has 10 chromosomes, how many double chromosomes does an onion cell have at the start of metaphase? Thanks!
April 2, 2010 by Lily

Biology
9. A molecule shaped like a spiral staircase (double helix) is a typical of a. deoxyribonucleic acid b. ribonucleic acid c. carbohydrates d. both a and b D 14. Surface area is an important factor in limiting growth cell because a. the cell may become too large to remove enough...
January 26, 2010 by mysterychicken

biology
Can someone explain to me how a plasma/cell membrane carry put the following functions? i've searched the net and can't seem to find anything on them * Compartmentalization of the cell into organelles * Organization of biochemical pathways –Attain optimal [metabolite] in the ...
November 25, 2008 by kimora

biology
1. What allows a cell to stockpile substances in greater concentration than they occur outside the cell? is it active transport? 2. The sodium potassium pump prevents the accumulation of what ions inside the cell? 3. Conduction of nerve impulses is possible because of what? ...
November 11, 2014 by ava

Biology
b) Identify one similar and one different way each type of cell [prokaryote and eukaryote] uses flagella. My answer: In both prokaryotes and eukaryotes, flagella protrude from the cell's surface and enable movement. Prokaryotic flagella rotate, propelling the organism through ...
February 1, 2010 by mysterychicken

Biology
What is cytoplasmic strand? and can you give me a website wherein I can find informations pertaining to plant and animal cell long chains of protiens that secure the neucleus in the middle of the cell, as well as performing other functions during mitosis and maintaining cell ...
November 22, 2006 by Kimmy

math
how do you rewrite the problem so the divisor is a whole number 48.4 (division sign)0.4 8.19 (division sign)0.09 3.7 (division sign) 2.1 2.39 (division sign) 0.05 45.218(division sign)0.23 233.58(division sign)10.2
December 18, 2014 by Isabella NEEDS HELP NOW( PLEASE)

biology
1. From one molecule of glucose, which process generates the largest amount of ATP? a. Glycolysis in a prokaryotic cell under aerobic conditions b. Glycolysis in a eukaryotic cell c. the TCA (Krebs) cycle in a prokaryotic cell d. the TCA (Krebs) cycle in a eukaryotic cell e. ...
April 6, 2009 by sarah

Biology!!
Would a cell make enzymes for other cells? For example, would a cell make a lysosomal enzyme and send it to a different cell?
October 22, 2008 by Andrea

biology
does the cell theory state that cell come from cells that already exist?
December 12, 2009 by mayra

biology
does the cell theory state that cell come from cells that already exist?
December 12, 2009 by mayra

Molecular Cell Biology
How do you knock out a gene in cell culture?
March 27, 2007 by Susan

Biology
The maximum size to which a cell may grow is limited mainly by the cell's?
November 15, 2007 by Hallie

Biology
WHAT ORGANELLE IN THE ANIMAL CELL AIDS IN DIGESTING OLDER CELL PARTS AND WASTES?
October 23, 2012 by Ashley

biology
who discovered the cell theory? What are the 3 parts of the cell theoy?
November 24, 2008 by kayla

Biology
Is a killer t cell the same thing as a cytotoxic t cell?
June 10, 2009 by Montega

biology
How is bacterial cell different from an onion peel cell ?
July 14, 2011 by flash

biology
How is bacterial cell different from an onion peel cell ?
July 15, 2011 by flash

Biology 101
What are the factors that cause cells to reproduce in mitosis and meiosis depends on the cells. there's a huge difference between a livwr cell, nerve cell, and a bacterial cell. probably your instructor is looking for answers like: growth, food supply (nutrients), injury, ...
March 9, 2007 by Amy

Science
Colchicine (F.W. 399.4), an alkaloid purified from the autumn crocus flower, blocks cell division by inhibiting mitosis. It is effective at concentrations of 0.1-1ug/ml. You have a cell culture with 40mls volume. How much colchicine do you add for a final concentration of 0.5 ...
September 11, 2011 by Anonymous

biology
Is the cell wall considered a thick gelatinous layer? Or would it be the cell membrane? And what contains enzymes for respiration?
August 26, 2008 by anonymous

Biology
a cell is placed in distilled water and then transferred to a 5% salt solution. aw a result of this procedure, the cell would be likely yo?
June 2, 2011 by Choi

biology
how can i identify the cell if it is plant or animal cell??
July 23, 2011 by diana

Biology!!
If i do a starch test on a plant cell that comes from a plant exposed to sunlight, which parts of the plant cell will be stained blueblack? 1. nucleus 2. cell wall 3. cytoplasm 4. vacuole I wrote the answer as 4, the vacuole, but the correct answer says 3, the cytoplasm. ...
October 12, 2009 by Marrion

Science 7R
What is cell division?
January 17, 2012 by Laruen

7th grade science help Ms. Sue please!
1. Most of the life of any cell is spent in a period of growth called _____. (1 point) interphase prophase telophase anaphase 2. Which of these is the part of the cell that contains hereditary material? (1 point) chromosome interphase mitosis embryo 3. The final stage of ...
November 8, 2012 by Delilah

Biology
"Suggest two things a large cell might do to increase its surface area:volume ratio". The obvious method would be to divide into many smaller cells...but what else can the cell do? I also thought that it could just simply grow larger, but the question specifies that the cell ...
March 30, 2010 by Stuck

Biology
Ferrets have 40 chromosomes in each heart cell. There are ___ chromosomes in each egg. Answer: 20 If a skunk has 25 chromosomes in each gamete, then how many chromosomes are in each sperm cell? Answer: 25 Sheep have 27 chromosomes in each cell that had undergone meiosis. How ...
December 14, 2014 by HELP!

biology
what is the powerhouse of a cell & site of ATP production? what supports the shape of the entire cell what is involved in muscle contraction in larger organisms
October 19, 2009 by a

Can someone please help me asap. Biology
Can someone confirm my answers? This is a new topic that I just learned in school and I'm a bit confused about it. So I'm not exactly sure about my answers. And this stuff is going to be on my midterm. What actions take place during G1? A) the cell doubles its nuclear content ...
December 31, 2007 by Tyne

evolutionary standpoint
speaking from an evolutionary standpoint, would you say mitosis preceded meiosis or meiosis preceded mitosis or synapse preceded cell division or cell division preceded synapse.
April 14, 2007 by Melissa

Biology
1. Ferrets have 40 chromosomes in each heart cell. There are ____ chromosomes in each egg. Answer: 20 2. If a skunk has 25 chromosomes in each gamete, then how many chromosomes are in each sperm cell? Answer: 25 3. Sheep have 27 chromosomes in each cell that has undergone ...
December 14, 2014 by HELP!

science
a poem on cell division
February 11, 2013 by Anonymous

Biology
If .03 M of sucrose and .02 M of glucose rest inside a cell and .01 M of sucrose, glucose, and fructose rest outside in the environment, which solutes will exhibit next diffusion into the cell and out of the cell?
February 15, 2007 by Bioq

math
The annual budget projection for a large manufacturing firm includes: Division A $24,345,500 Division B $13,927,750 Division C $752,000 Division D $695,800 Estimate the total budget in millions of dollars.
October 12, 2013 by kit

biology
Why is cell culture one of the most valuable technical achievements in the entire study of biology?
March 11, 2010 by alex

Biology
Why is feedback inhibition a useful thing for enzyme reactions in a cell? Are there biology tutors in this forum??
December 13, 2013 by Anonymous

biology
which kind of fatty acid would the cell manufacture in order to keep the cell memmbrane rigid or study under warm enviromental conditions
February 17, 2008 by kim

Biology
The cell membrane is a highly selective barrier that controls the movement of substances in and out of the cell. In fact, polar molecules are unable to go across unless
January 4, 2014 by La'Shay

Biology
Tell what the function of lipids do in a cell. Is the correct answer: lipids function in a cell is to provide energy, act as structural components in a cell , and can help provide hormones.
February 23, 2008 by Bethany

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