What does nucleus contains the cells genetic material in the form of?

What does nucleus contains the cells genetic material in the form of?
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Nucleus; the genetic material containing rounded body in each cell; was first discovered in 1831 by?

Description : Nucleus; the genetic material containing rounded body in each cell; was first discovered in 1831 by?

Last Answer : Robert Brown

What percent of the material in a DNA molecule contains the genetic code?

Description : What percent of the material in a DNA molecule contains the genetic code?

Last Answer : What is the answer ?

Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Description : Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present

Last Answer : Gas vacuoles are present

The structure in cells which contains light absorbing pigment is (1) Endoplasmic reticulum (2) Nucleus (3) Chloroplast (4) Chromoplast

Description : The structure in cells which contains light absorbing pigment is (1) Endoplasmic reticulum (2) Nucleus (3) Chloroplast (4) Chromoplast

Last Answer : Chloroplast

In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant tumors (b) controlled cell division and over production of genetic material occur (c) RNA is mutated and produced in less amount (d) DNA is mutated and produced in less amount

Description : In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant ... is mutated and produced in less amount (d) DNA is mutated and produced in less amount

Last Answer : Ans:(a)

The flow of genetic material in microbial cells usually takes place from A- RNA through DNA to proteins B- proteins through RNA to DNA C- .DNA through RNA to proteins D- none of these

Description : The flow of genetic material in microbial cells usually takes place from A- RNA through DNA to proteins B- proteins through RNA to DNA C- .DNA through RNA to proteins D- none of these

Last Answer : .DNA through RNA to proteins

$ Flow of genetic information is through the DNA of the nucleus . ! Central Dogma is represented as follows DNA `overset("Transcription")tomRNA overse

Description : $ Flow of genetic information is through the DNA of the nucleus . ! Central Dogma is represented as follows DNA `overset("Transcription")tomRNA overse

Last Answer : $ Flow of genetic information is through the DNA of the nucleus . ! Central Dogma is represented as follows ... wrong D. If both As and R are wrong.

Master copy of genetic information is (1) DNA (2) Nucleus (3) r-RNA (4) m-RNA

Description : Master copy of genetic information is (1) DNA (2) Nucleus (3) r-RNA (4) m-RNA

Last Answer : (1) DNA Explanation: As DNA contains all the hereditary information, is called master copy of genetic information. It replicates its carbon copies when new master copies are required. It forms working copies in the form of mRNAS.

Which one of the following is not an organizational property common to all living organisms? a. Genetic organization b. Metabolic organization c. Compartmentation d. A cell nucleus

Description : Which one of the following is not an organizational property common to all living organisms? a. Genetic organization b. Metabolic organization c. Compartmentation d. A cell nucleus

Last Answer : d. A cell nucleus

Master copy of genetic information is (1) Nucleus (2) r-RNA (3) m-RNA (4) DNA

Description : Master copy of genetic information is (1) Nucleus (2) r-RNA (3) m-RNA (4) DNA

Last Answer : DNA

Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes. b) Huntingon Disease Huntington disease is one example of a germ-line mutation. c) Duchenne Muscular Dystrophy Duchenne muscular dystrophy, an inherited form of muscular dystrophy, is an example of a genetic caused by structural gene mutations. d) Marphan Syndrome Marphan Syndrome is a genetic condition that may occur in a single family member as a result of spontaneous mutation.

Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.

Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.

The material used in solar cells contains (1) Tin (2) Silicon (3) Caesium (4) Thallium

Description : The material used in solar cells contains (1) Tin (2) Silicon (3) Caesium (4) Thallium

Last Answer : (2) Silicon Explanation: A solar cell (also called a photovoltaic cell) is an electrical device that converts the energy of light directly into electricity by the photovoltaic ... silicon, polycrystalline silicon, amorphous silicon, cadmium telluride, and copper iridium selenide/sulfide.

The material used in solar cells contains (1) Tin (2) Silicon (3) Caesium (4) Thallium

Description : The material used in solar cells contains (1) Tin (2) Silicon (3) Caesium (4) Thallium

Last Answer : Silicon

Bacillus subtilis makes a good "bacterial factory" in genetic engineering because _____. a. it normally retains the products it makes b. it is not a human pathogen c. contains endotoxins in it's cell wall d. traditionally ferments sugars

Description : Bacillus subtilis makes a good "bacterial factory" in genetic engineering because _____. a. it normally retains the products it makes b. it is not a human pathogen c. contains endotoxins in it's cell wall d. traditionally ferments sugars

Last Answer : b. it is not a human pathogen

A transgenic organism is one that _____. a. Has Donated A DNA Fragment To Another Organism. b. Contains A Gene From Another Organism. c. Contains Useless "Genetic Debris." d. Has Exchanged Gene Loci Within The Organism.

Description : A transgenic organism is one that _____. a. Has Donated A DNA Fragment To Another Organism. b. Contains A Gene From Another Organism. c. Contains Useless "Genetic Debris." d. Has Exchanged Gene Loci Within The Organism.

Last Answer : b. Contains A Gene From Another Organism.

Which one of the following statements about the nucleoid is NOT true? a. It contains a DNA chromosome. b. It represents a nonmembranous subcompartment. c. It represents an area devoid of ribosomes. d. It contains nonessential genetic information.

Description : Which one of the following statements about the nucleoid is NOT true? a. It contains a DNA chromosome. b. It represents a nonmembranous subcompartment. c. It represents an area devoid of ribosomes. d. It contains nonessential genetic information.

Last Answer : d. It contains nonessential genetic information.

Which organelles in the cell, other than nucleus contains DNA? -Do You Know?

Description : Which organelles in the cell, other than nucleus contains DNA? -Do You Know?

Last Answer : answer:

The lightest noble gas atom contains the following particles in its nucleus

Description : The lightest noble gas atom contains the following particles in its nucleus

Last Answer : The lightest noble gas atom contains the following particles in its nucleus A. 4 protons B. 3 neutrons ... and 1 neutron D. 2 protons and 2 neutrons

Who was the first scientist whose alpha particle scatterring experiment led him to conclude that the the nucleus of an atom contains a dense center of positive charge is?

Description : Who was the first scientist whose alpha particle scatterring experiment led him to conclude that the the nucleus of an atom contains a dense center of positive charge is?

Last Answer : The experiments were being done by Ernest Marsden, and HansGeiger, under the supervision of Ernest Rutherford.

Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the nucleus contains too many neutrons compared to the number of protons (c) Nuclei with atomic number greater than 82 show a tendency to disintegrate (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.

Description : Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the ... (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.

Last Answer : Ans:(d)

What nucleus of atom contains? (1) protons (2) electrons (3) electrons and protons (4) protons and neutrons

Description : What nucleus of atom contains? (1) protons (2) electrons (3) electrons and protons (4) protons and neutrons

Last Answer : (4) protons and neutrons Explanation: The nucleus, that dense central core of the atom, contains both protons and neutrons. Electrons are outside the nucleus in energy levels.

Nucleus of 92U235 contains __________ protons. (A) 92 (B) 235 (C) 143 (D) 325

Description : Nucleus of 92U235 contains __________ protons. (A) 92 (B) 235 (C) 143 (D) 325

Last Answer : (A) 92

Out of the following, nucleus of __________ atom contains the largest number of neutrons. (A) U-235 (B) U-238 (C) U-239 (D) Pu-239

Description : Out of the following, nucleus of __________ atom contains the largest number of neutrons. (A) U-235 (B) U-238 (C) U-239 (D) Pu-239

Last Answer : (C) U-239

The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.

Description : The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.

Last Answer : Ans: Tritium, one and two

Which antibiotic contains NO2 group attached to aromatic nucleus in its structure ?

Description : Which antibiotic contains NO2 group attached to aromatic nucleus in its structure ?

Last Answer : Ans. Chloramphenicol. 

Nucleus contains?

Description : Nucleus contains?

Last Answer : Nuclearmembrane; Nucleoplasm; Nucleolus;  Chromatin threads

Giardia trophozoites contains B A. One nucleus B. Two nuclei C. Three nuclei D. Four nuclei

Description : Giardia trophozoites contains B A. One nucleus B. Two nuclei C. Three nuclei D. Four nuclei

Last Answer : Two nuclei

The human lens: a. has a higher refractive index in the nucleus than the cortex b. contains a higher potassium concentration than the aqueous c. contains a higher concentration of sorbitol in diabetic patient than normal population d. all above

Description : The human lens: a. has a higher refractive index in the nucleus than the cortex b. contains a higher potassium concentration than the aqueous c. contains a higher concentration of sorbitol in diabetic patient than normal population d. all above

Last Answer : all above

The ciliary ganglion: a. is found between the optic nerve and the medial rectus b. contains sympathetic nerve that supplies the sphincter pupillae c. is a parasympathetic relay ganglion for fibers from the Edinger-Westphal nucleus d. contains sensory nerve e. has a motor nerve that goes to the inferior oblique

Description : The ciliary ganglion: a. is found between the optic nerve and the medial rectus b. contains sympathetic nerve that supplies the sphincter pupillae c. is a parasympathetic relay ganglion for fibers from ... nucleus d. contains sensory nerve e. has a motor nerve that goes to the inferior oblique

Last Answer : is a parasympathetic relay ganglion for fibers from the Edinger-Westphal nucleus

The middle piece of the sperm contains (a) proteins (b) mitochondria (c) centriole (d) nucleus.

Description : The middle piece of the sperm contains (a) proteins (b) mitochondria (c) centriole (d) nucleus.

Last Answer : (b) mitochondria

.Which one of the following organelles is located near the nucleus and contains a collection of flattened membrane bound cisternae? (a) Nucleolus (b) Mitochondrion (c) Centriole (d) Golgi apparatus

Description : .Which one of the following organelles is located near the nucleus and contains a collection of flattened membrane bound cisternae? (a) Nucleolus (b) Mitochondrion (c) Centriole (d) Golgi apparatus

Last Answer : (d) Golgi apparatus

Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Last Answer : C.80S ribosomes are distributed in cytoplasm

Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Last Answer : 80S ribosomes are distributed in cytoplasm

Which organelles in the cell, other than nucleus contains DNA?

Description : Which organelles in the cell, other than nucleus contains DNA?

Last Answer : Mitochondria

1. Who is the creator of the Rock Garden in Chandigarh? 2. When did UN General Assembly establish UN Industrial Development Organization? 3. Which organelles in the cell, other than nucleus contains DNA? 4. In India which is the State with the largest area under very dense forests? 5. By whom was the Asiatic Society established in Calcutta?

Description : 1. Who is the creator of the Rock Garden in Chandigarh? 2. When did UN General Assembly establish UN Industrial Development Organization? 3. Which organelles in the cell, other than nucleus ... world? 20. By whom was the Civil Disobedience Movement led in the North-West Frontier Province?

Last Answer : Answer : 1. Nek Chand 2. 1966 3. Mitochondria 4. Arunachal Pradesh 5. Sir William Jones 6. The United States 7. 1 Angstrom 8. State Bank of India. 9. Gorakhpur 10. Gopal Hari Deshmukh 11. 1945 ... Liebig's method 17. O.P. Mathai 18. RBI directives 19. Indira Gandhi Canal 20. Khan Abdul Ghaffar Khan

Neurospora is used as genetic material because (a) It has short life cycle of 10 days (b) The product of single meiosis can be easily analysed (c) Meiotic products are linearly arranged in the form of ordered tetrads (d) Is a diploid fungus

Description : Neurospora is used as genetic material because (a) It has short life cycle of 10 days (b) The product of single meiosis can be easily analysed (c) Meiotic products are linearly arranged in the form of ordered tetrads (d) Is a diploid fungus

Last Answer : Ans:(a)

The power cells in your muscles are a genetic gift from your mother only (not your father) - Why was Eve made out of Adam's rib?

Description : The power cells in your muscles are a genetic gift from your mother only (not your father) - Why was Eve made out of Adam's rib?

Last Answer : God has a sense of humour?

Flow of genetic information in cells. -Biology

Description : Flow of genetic information in cells. -Biology

Last Answer : answer:

How do these two different types of cells function differently in the same organism even though they both contain the same genetic instructions?

Description : How do these two different types of cells function differently in the same organism even though they both contain the same genetic instructions?

Last Answer : During the process of differentiation the cells effectively "reprogrammed" themselves by selectively inhibiting some genes while enabling other genes. Only the enabled genes are able to be expressed. ... gene itself, preventing the enzymes responsible for transcribing the gene to mRNA from binding.

A clone is a colony of : (1) cells having different shapes (2) cells having similar shape (3) cells having similar genetic constitution (4) cells having different genetic constitutions

Description : A clone is a colony of : (1) cells having different shapes (2) cells having similar shape (3) cells having similar genetic constitution (4) cells having different genetic constitutions

Last Answer : (3) cells having similar genetic constitution Explanation: A clone is a colony of cells having similar genetic constitutions. A clone is a group of identical cells that share a common ancestry, meaning ... (also called a genet), wherein the cells (usually unicellular) also share a common ancestry.

The genetic defect–adenosine deaminase (ADA) deficiency may be cured permanently by (a) administering adenosine deaminase activators (b) introducing bone marrow cells producing ADA into cells at early embryonic stages (c) enzyme replacement therapy (d) periodic infusion of genetically engineered lymphocytes having functional ADA cDNA

Description : The genetic defect-adenosine deaminase (ADA) deficiency may be cured permanently by (a) administering adenosine deaminase activators (b) introducing bone marrow cells producing ADA into ... replacement therapy (d) periodic infusion of genetically engineered lymphocytes having functional ADA cDNA

Last Answer : (b) introducing bone marrow cells producing ADA into cells at early embryonic stages

Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

Description : Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

Last Answer : (b) used in genetic engineering

Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Description : Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Last Answer : (d) are synthesized by bacteria as part of their defense mechanism.

In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self- cells, then it leads to (a) autoimmune disease (b) active immunity (c) allergic response (d) graft rejection.

Description : In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self- cells, then it leads to (a) autoimmune disease (b) active immunity (c) allergic response (d) graft rejection.

Last Answer : (a) autoimmune disease

Stomata open and close due to (a) circadian rhythm (b) genetic clock (c) pressure of gases inside the leaves (d) turgor pressure of guard cells

Description : Stomata open and close due to (a) circadian rhythm (b) genetic clock (c) pressure of gases inside the leaves (d) turgor pressure of guard cells

Last Answer : (d) turgor pressure of guard cells.

Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal multiplication of cells from a low rate to a high rate. c. reverses the ability of viruses to associate with cells. d. reverses the action of drugs on viruses and allows them to continue multiplying in living cells.

Description : Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal ... the action of drugs on viruses and allows them to continue multiplying in living cells.

Last Answer : a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA.

All the following are basic properties of cells except A- cells have nuclei and mitochondria B- cells have a genetic programme and the means to use it C- .cells are capable of producing more of themselves D-.cells are able to respond to stimuli

Description : All the following are basic properties of cells except A- cells have nuclei and mitochondria B- cells have a genetic programme and the means to use it C- .cells are capable of producing more of themselves D-.cells are able to respond to stimuli

Last Answer : cells have nuclei and mitochondria

Genetic and biochemical similarities between contemporary cyanobacteria and eukaryoticchloroplasts are accepted to mean that A- .eukaryotes evolved from bacteria B- eukaryotes evolved from archaea C- .oxygenic photosynthesis first evolved in eukaryotes D- .cyanobacteria arose from chloroplasts which escaped from plant cells

Description : Genetic and biochemical similarities between contemporary cyanobacteria and eukaryoticchloroplasts are accepted to mean that A- .eukaryotes evolved from bacteria B- eukaryotes evolved from archaea C- . ... evolved in eukaryotes D- .cyanobacteria arose from chloroplasts which escaped from plant cells

Last Answer : eukaryotes evolved from archaea

During which step of cellular carcinogenesis do cellular changes exhibit increased malignant behavior? a) Progression During this third step, cells show a propensity to invade adjacent tissues and metastasize. b) Promotion During promotion, repeated exposure to promoting agents causes the expression of abnormal genetic information even after long latency periods. c) Initiation During this first step, initiators such as chemicals, physical factors, and biologic agents escape normal enzymatic mechanisms and alter the genetic structure of cellular DNA. d) Prolongation No stage of cellular carcinogenesis is termed prolongation.

Description : During which step of cellular carcinogenesis do cellular changes exhibit increased malignant behavior? a) Progression During this third step, cells show a propensity to invade adjacent tissues and ... of cellular DNA. d) Prolongation No stage of cellular carcinogenesis is termed prolongation.

Last Answer : a) Progression During this third step, cells show a propensity to invade adjacent tissues and metastasize.

Genetic elements that can replicate independently of the cell's chromosomes are called: a) clones b) episomes c) repressors d) promotors

Description : Genetic elements that can replicate independently of the cell's chromosomes are called: a) clones b) episomes c) repressors d) promotors

Last Answer : ANSWER: B -- EPISOMES