In the cells of some organisms, repeated cytokinesis can sometimes occur without the accompanying mitotic phase....
In the cells of some organisms, repeated cytokinesis can sometimes occur without the accompanying mitotic phase. This results in _____.
a. cells with more than one nucleus
b. cells lacking nuclei
c. cells that are unusually small
d. destruction of chromosomes
e. cell cycles lacking an S phase
f. cells that are unusually small with most lacking a nucleus
Homework Answers
Answer : a. Cells without more than one nucleus.
There are many cells where mitosis and cytokinesis occurs seperately, forming single cells with multiple nuclei.The most notable occurence of this is among the fungi, slime molds and ceonocytic algae, but the phenomenon is found in other various organs. Even in animals, cytokinesis and mitosis may occur independently, for instance duringcertain stages of embryonic development.
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In the cells of some organisms, repeated cytokinesis can
sometimes occur without the accompanying mitotic phase....
Question 33 The daughter cells that result from mitosis are genetically identical. o have half as...
Question 33 The daughter cells that result from mitosis are genetically identical. o have half as many chromosomes as the parent cell. o have twice as many chromosomes as the parent cell. have only one member of each homologous pair. have twice as many sister chromatids as the parent cell. Dro If mitosis occurs without cytokinesis what will be the end result? cells lacking nuclei. cell cycles lacking an Sphase. e destruction of chromosomes. cells with more than one nucleus....
In animal cells, a characteristic feature during cytokinesis is the formation of something called the (26),...
In animal cells, a characteristic feature during cytokinesis is the formation of something called the (26), while in plants a characteristic feature that forms is the Prokaryotes do not have a nucleus, and so they do not perform their chromosome and divide with a process known as (28), and simply duplicate Different cells divide at different rates because they vary with respect to regulation of their (30) . This "internal clock" has specific 031) that essentially signal the cell to...
Part C: Mitosis the body nceds more cells (for growth or repair), the way to produce...
Part C: Mitosis the body nceds more cells (for growth or repair), the way to produce new ones is for existing cells to divide. The series of events that leads to cell division is called the cell cycle. The cell cycle has distinct phases-most of the time, a cell is in itself is divided into three phases: Gl, in which a cell is engaged in the normal activity of thar cell making protcin, gencrating ATT, etc.l; S, the phase when...
2. Match the phase to the description. NOTE: this question might look a little different on...
2. Match the phase to the description. NOTE: this question might look a little different on the Moodle activity. Read carefully. Phase Hanne Description of Events in the Life of a Cell • Anaphase of muitosis A. The combined phases of GI/Go+S+G2 • Gl phase • G2 phase B. The cell is metabolically active; the cell duplicates argumelles and cytosolie components; the cell size starts to increase the cell makes proteins which will soon be used in DNA synthesis C....
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
QUESTION 1 A gene that encodes a protein that stimulates progression of the cell cycle is...
QUESTION 1 A gene that encodes a protein that stimulates progression of the cell cycle is known as a proto-oncogene. True False QUESTION 2 Cytokinesis occurs after which stage or phase of the cell cycle? a. G2 b. S c. G0 d. G1 e. M phase QUESTION 3 During cell-cycle checkpoints, protein kinases known as CDKs phosphorylate target proteins only when they associate with a cyclin. True False QUESTION 4 During mitosis, many of the spindle fibers attach to chromosomes...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of Meiosis 1) To simulate synapsis, take the two homologous pairs of lona chromosomos and place one on top of the other. Do the same with the #2, medium length chromosomes and then the # 3 , short chromosomes., Fill in the sketch for PROPHASE 1 below, illustrating synapsis. Even though crossing over occurs in nature, DO NOT add CROSSING OVER to your sketch. After...
Can anyone help me with this? Thank you. Lab 13. Mitosis and Meiosis Purpose The purpose...
Can anyone help me with this? Thank you.
Lab 13. Mitosis and Meiosis Purpose The purpose of this lab is to understand the process of mitosis and melosis in animal and plant cells. Learning Objectives After completing this lab, you will be able to: 1. Describe the stages of mitosis. 2. Identify the stages of mitosis in an onion root or whitefish blastula using a light microscope. 3. Describe how cytokinesis differs in plant vs. animal cells. 4. Name and...
please help and thank you Materials Needed per class: 1 box of 24 microscope slides of...
please help and thank you
Materials Needed per class: 1 box of 24 microscope slides of meiosis 1 1 box of 24 microscope slides of meiosis 2 red and yellow popbead chromosome kits Objectives To become familiar with the process of meiosis and to be able to identify the principal phases of meiosis To understand how the process of meiosis is similar to mitosis and how it differs from mitosis Introduction The genetic information of a cell is encoded in...
QUESTION 13 Which of the following would occur if a mutation caused Kinase 1 to be...
QUESTION 13
Which of the following would occur if a mutation caused Kinase 1
to be unable to be phosphorylated? (Select all)
RTK would bind VEGF
RTK would phosphorylate itself
RAS would become active
The phosphorylation cascade would occur
The endothelial cell would divide
0.2 points
QUESTION 14
Imagine that an endothelial cell has a mutation in several of
the enzymes that perform mismatch repair. The endothelial cell
replicates its DNA and then divides into two cells. The resulting...
Question 33 The daughter cells that result from mitosis are genetically identical. o have half as many chromosomes as the parent cell. o have twice as many chromosomes as the parent cell. have only one member of each homologous pair. have twice as many sister chromatids as the parent cell. Dro If mitosis occurs without cytokinesis what will be the end result? cells lacking nuclei. cell cycles lacking an Sphase. e destruction of chromosomes. cells with more than one nucleus....
In animal cells, a characteristic feature during cytokinesis is the formation of something called the (26), while in plants a characteristic feature that forms is the Prokaryotes do not have a nucleus, and so they do not perform their chromosome and divide with a process known as (28), and simply duplicate Different cells divide at different rates because they vary with respect to regulation of their (30) . This "internal clock" has specific 031) that essentially signal the cell to...
Part C: Mitosis the body nceds more cells (for growth or repair), the way to produce new ones is for existing cells to divide. The series of events that leads to cell division is called the cell cycle. The cell cycle has distinct phases-most of the time, a cell is in itself is divided into three phases: Gl, in which a cell is engaged in the normal activity of thar cell making protcin, gencrating ATT, etc.l; S, the phase when...
2. Match the phase to the description. NOTE: this question might look a little different on the Moodle activity. Read carefully. Phase Hanne Description of Events in the Life of a Cell • Anaphase of muitosis A. The combined phases of GI/Go+S+G2 • Gl phase • G2 phase B. The cell is metabolically active; the cell duplicates argumelles and cytosolie components; the cell size starts to increase the cell makes proteins which will soon be used in DNA synthesis C....
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of Meiosis 1) To simulate synapsis, take the two homologous pairs of lona chromosomos and place one on top of the other. Do the same with the #2, medium length chromosomes and then the # 3 , short chromosomes., Fill in the sketch for PROPHASE 1 below, illustrating synapsis. Even though crossing over occurs in nature, DO NOT add CROSSING OVER to your sketch. After...
Can anyone help me with this? Thank you.
Lab 13. Mitosis and Meiosis Purpose The purpose of this lab is to understand the process of mitosis and melosis in animal and plant cells. Learning Objectives After completing this lab, you will be able to: 1. Describe the stages of mitosis. 2. Identify the stages of mitosis in an onion root or whitefish blastula using a light microscope. 3. Describe how cytokinesis differs in plant vs. animal cells. 4. Name and...
please help and thank you
Materials Needed per class: 1 box of 24 microscope slides of meiosis 1 1 box of 24 microscope slides of meiosis 2 red and yellow popbead chromosome kits Objectives To become familiar with the process of meiosis and to be able to identify the principal phases of meiosis To understand how the process of meiosis is similar to mitosis and how it differs from mitosis Introduction The genetic information of a cell is encoded in...
QUESTION 13
Which of the following would occur if a mutation caused Kinase 1
to be unable to be phosphorylated? (Select all)
RTK would bind VEGF
RTK would phosphorylate itself
RAS would become active
The phosphorylation cascade would occur
The endothelial cell would divide
0.2 points
QUESTION 14
Imagine that an endothelial cell has a mutation in several of
the enzymes that perform mismatch repair. The endothelial cell
replicates its DNA and then divides into two cells. The resulting...
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