Homework Answers
- Most body cells do not undergo cell division after a certain age and remain in G0 phase or resting phase.
- Some cells, like muscle and nerve cells, enter G0 phase and remain in non-dividing state.
- Some cells may be stimulated to continue normal activities.
- This phase is referred to as quiescent phase.
Answer: Option 3
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Once an organism reaches adulthood, many somatic cells seldom undergo mitosis. Why? They no longer have...
Once an organism reaches adulthood, many somatic cells seldom undergo mitosis. Why? which one is correct?...
Once an organism reaches adulthood, many somatic cells seldom undergo mitosis. Why? which one is correct? Their DNA is damaged anThey cannot pass the checkpoints Their nucleus has been degraded They cannot produce MPF They enter into nondividing G0 question 2 Which of the following is true of a species in which 2n = 12? The species has 24 chromosomes in each somatic cell The species has 8 homologous chromosomes The species has 12 homologous chromosomes This species gametes have...
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...
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from...
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from this species was found with chromosome 1 has blue gene on one pair and orange gene on the other. Number 2chromosomes both have the short gene. As cells in her ovaries undergo meiosis, which of the following combinations of genes and chromosomes will her eggs have? A) only blue short gene eggs OB) only orange short gene eggs OC) one half blue short and...
Organophosphates (OPs) are toxic chemicals contained in many pesticides used heavily in agriculture. They can have...
Organophosphates (OPs) are toxic chemicals contained in many pesticides used heavily in agriculture. They can have severe, acute effects, including death, beginning within minutes to hours of exposure. Other symptoms can develop over longer time periods. Exposure can occur through inhalation, ingestion, or, to a lesser extent, contact with skin. The toxicity of OPs stems from their action at cholinergic synapses: these chemicals inhibit acetylcholinesterase, the enzyme that breaks down acetylcholine (ACh) and terminates its action following release into the...
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...
For the next group of questions consider a diploid cell from a eukaryotic organism with a...
For the next group of questions consider a diploid cell from a eukaryotic organism with a total of ten chromosomes. After one round of the cell cycle is complete you observe a total of four daughter cells. During this cell division occurred and the resulting daughter cells are. mitosis; haploid with ten total chromosomes each mitosis; diploid with five total chromosomes each meiosis; diploid with ten total chromosomes each meiosis; haploid with five total chromosomes each Before the cell divided,...
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...
Instructions Below is a picture of George's chromosomes (a hypothetical example). They show his genotypes for...
Instructions Below is a picture of George's chromosomes (a hypothetical example). They show his genotypes for Cystic Fibrosis (Cc), ear attachment (ee), tongue rolling (Tt), and polydactyly (Pp) Mand Drepresents the chromosomes he inherited from Mom and Dad, and the number indicates which chromosome the genes for the above traits are on. Chromosome 1 Chromosome 2 Chromosome 3 M3 D3 M1 D1 M2 D2 T It C P p e In the following activity you will draw pictures of George's...
with steps 6) Pure water cannot conduct electricity so why do we have to be careful with electrical appliances near water our homes? 7) List and explain the 3 partcles and 1 ray given off in ra...
with steps
6) Pure water cannot conduct electricity so why do we have to be careful with electrical appliances near water our homes? 7) List and explain the 3 partcles and 1 ray given off in radioactive decay and explain what they come from if necessary. Also explain the effect on the nucleus when each decay happens. 8) If the solubility limit of sodium acetate (Molar mass 82 g/mol) at room temp is 76 grams per 100 grams of water,...
General Biology Chapter 6 Cellular Respiration Exercise For the Following questions, answer each thoroughly and sketch...
General Biology Chapter 6 Cellular Respiration Exercise For the Following questions, answer each thoroughly and sketch the parts of the Cell and/or Mitochondrion to illustrate your answer. 1. Triglycerides can be broken down by hydrolysis reactions to glycerol and fatty acid chains in the digestive tract. Glycerol is easily converted to 1 phosphoglyceraldehyde also known as PGAL Using your knowledge about how aerobic cellular respiration functions, explain how from this original glycerol molecule how many ATP's are formed in this...
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...
QUESTION 6 An organism has 2 pairs of chromosomes 1 and 2. A certain female from this species was found with chromosome 1 has blue gene on one pair and orange gene on the other. Number 2chromosomes both have the short gene. As cells in her ovaries undergo meiosis, which of the following combinations of genes and chromosomes will her eggs have? A) only blue short gene eggs OB) only orange short gene eggs OC) one half blue short and...
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...
For the next group of questions consider a diploid cell from a eukaryotic organism with a total of ten chromosomes. After one round of the cell cycle is complete you observe a total of four daughter cells. During this cell division occurred and the resulting daughter cells are. mitosis; haploid with ten total chromosomes each mitosis; diploid with five total chromosomes each meiosis; diploid with ten total chromosomes each meiosis; haploid with five total chromosomes each Before the cell divided,...
Instructions Below is a picture of George's chromosomes (a hypothetical example). They show his genotypes for Cystic Fibrosis (Cc), ear attachment (ee), tongue rolling (Tt), and polydactyly (Pp) Mand Drepresents the chromosomes he inherited from Mom and Dad, and the number indicates which chromosome the genes for the above traits are on. Chromosome 1 Chromosome 2 Chromosome 3 M3 D3 M1 D1 M2 D2 T It C P p e In the following activity you will draw pictures of George's...
with steps
6) Pure water cannot conduct electricity so why do we have to be careful with electrical appliances near water our homes? 7) List and explain the 3 partcles and 1 ray given off in radioactive decay and explain what they come from if necessary. Also explain the effect on the nucleus when each decay happens. 8) If the solubility limit of sodium acetate (Molar mass 82 g/mol) at room temp is 76 grams per 100 grams of water,...
General Biology Chapter 6 Cellular Respiration Exercise For the Following questions, answer each thoroughly and sketch the parts of the Cell and/or Mitochondrion to illustrate your answer. 1. Triglycerides can be broken down by hydrolysis reactions to glycerol and fatty acid chains in the digestive tract. Glycerol is easily converted to 1 phosphoglyceraldehyde also known as PGAL Using your knowledge about how aerobic cellular respiration functions, explain how from this original glycerol molecule how many ATP's are formed in this...
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