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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...

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.

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?

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 ...

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 ...

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.

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 ...

biology
I will connect Gametes with A.Chromatid B. Cell C. Cell Division D. 46 E. IPMAT F. Cytokinesis AND WHY?

biology
how do chromosomes move inside a cell during each stage of cell division?

biology
1. Explain the problems that growth causes for cell 2. Describe how cell division solves the problem of cell growth

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 ...

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?

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

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...

biology
what is cell division called

biology
Describe the significance of the Law of Segregation and its relationship with cell division.

Biology
What is the process by which a chromosome replicates itself prior to cell division.

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...

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...

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?

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 ...

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?

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 ...

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 ...

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...

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...

Biology
1. When and where was the first cell born? How did it happen? 2. What are the circumstances that make the appearance of the cell in this earth? 3. What are the differences between prokaryotic and eukaryotic cell? How about plant and animal cell?

biology
many organelles and molecules needed for cell division are formed after DNA replication and before mitosis.In which phase are they formed??

biology
Hello, I got this question wrong on a homework assignment and I still can't find the correct answer. The reduction of the chromosome number during meiosis is most important for: 1: keeping the amount of DNA in the cell at a minimum level. 2: allowing the growth of the cell ...

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.]

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 ...

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 ...

genetics
Once the _______ checkpoint is passed in the cell cycles, the cell is committed to division

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?)

biology
Looking through a microscope,I saw a Eukaryotic cell. How could I conclude if the cell is a plant or animal cell?

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...

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?

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 ...

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 ...

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?

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?

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?

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!

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

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....

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

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 ...

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

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

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

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

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.

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

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 ...

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

Science
Which of the following is not part of the 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 through cell division. D.The nucleus is the control center of the cell.***

Science
Which of the following is not part of the cell theory? Cells are the building blocks of life. All living things are made up of cells. All cells are created from other cells through cell division. (MY ANSWER) The nucleus is the control center of the cell.

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?

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 ...

biology
Sketch a mold cell and label the key parts. Include all of the following:  Ribosomes  Mitochondrion  Endoplasmic reticulum  Nucleus  Cell wall  Cell membrane  Golgi apparatus  Vacuole  Centriole

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?

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?

Biology
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples below and describe the cell-to-cell communication that occurs, and then describe the types of responses that result from this communication. ...

Biology
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples below and describe the cell-to-cell communication that occurs, and then describe the types of responses that result from this communication. ...

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 ...

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 ...

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 ...

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!

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...

Biology :)
Consider the following situation. A cell is in a solution that contains dissolved oxygen. As the cell uses oxygen for respiration, a. oxygen will be carried across the cell membrane by special transport molecules. b. oxygen will naturally diffuse out of the cell. c. no ...

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.

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...

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? ...

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 ...

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 ...

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

Biology
What is chromatin and what does it turn into and how does it arrange itself? Chromatin forms chromosomes during cell division and consists of DNA RNA and proteins. It turns into separate structurs called chromosomes. Idk how it arranges itself

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. ...

biology
does the cell theory state that cell come from cells that already exist?

biology
does the cell theory state that cell come from cells that already exist?

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?

Molecular Cell Biology
How do you knock out a gene in cell culture?

Biology
The maximum size to which a cell may grow is limited mainly by the cell's?

Biology
WHAT ORGANELLE IN THE ANIMAL CELL AIDS IN DIGESTING OLDER CELL PARTS AND WASTES?

biology
I allow things to enter and leave the cell. if I don't think you're helpful to the cell I wont let you in. Who am I?

Biology
For your cell explain how gene expression related to the cell's ability to perform its function in the body

biology
who discovered the cell theory? What are the 3 parts of the cell theoy?

Biology
Is a killer t cell the same thing as a cytotoxic t cell?

biology
How is bacterial cell different from an onion peel cell ?

biology
How is bacterial cell different from an onion peel cell ?

Science
5. Name two ways in which a large cell can minimize the negative effects of its size. -They can minimize their size by cell division. -???????? I cannot find this answer in my textbook. Can someone please help me?

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, ...

biology
Is the cell wall considered a thick gelatinous layer? Or would it be the cell membrane? And what contains enzymes for respiration?

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?

biology
how can i identify the cell if it is plant or animal cell??

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 ...

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. ...

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 ...

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 ...

Science 7R
What is cell division?

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