Flow of genetic information in cells. -Biology

Flow of genetic information in cells. -Biology
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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.

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.

In the process of transcription, the flow of genetic information is from (A) DNA to DNA (B) DNA to protein (C) RNA to protein (D) DNA to RNA

Description : In the process of transcription, the flow of genetic information is from (A) DNA to DNA (B) DNA to protein (C) RNA to protein (D) DNA to RNA

Last Answer : Answer : D

In the process of transcription, the flow of genetic information is from (A) DNA to DNA (B) DNA to protein (C) RNA to protein (D) DNA to RNA

Description : In the process of transcription, the flow of genetic information is from (A) DNA to DNA (B) DNA to protein (C) RNA to protein (D) DNA to RNA

Last Answer : Answer : D

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.

_______________ acts to inhibit reproductive isolation. A) Mutation B) Natural selection C) Genetic drift D) Gene flow

Description : _______________ acts to inhibit reproductive isolation. A) Mutation B) Natural selection C) Genetic drift D) Gene flow

Last Answer : D) Gene flow

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?

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

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

Last Answer : Need 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.

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)

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.

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

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

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 : cells having similar genetic constitution

Should I completely cut caffeine in light of genetic information?

Description : Should I completely cut caffeine in light of genetic information?

Last Answer : answer:What is 23andme? I will tell you that once you quit, really quit, after a month or so you will feel good. You will wake up better, because you will not be in the caffiene crash. You ... bad headache. I recommend slowly decreasing over a a week, don't go cold turkey, and have advil nearby.

Does the placenta carry genetic information of the father?

Description : Does the placenta carry genetic information of the father?

Last Answer : I am not positive, but I believe it does.

Why doesn't the Genetic Information Non-Discrimination Act [GINA] apply to members of the military?

Description : Why doesn't the Genetic Information Non-Discrimination Act [GINA] apply to members of the military?

Last Answer : I as a not particularly informed layman can speculate two reasons: 1. Soldiers really need to be in good health – their job is dangerous enough to justify high health standards. 2. The military is a governmental institution, so they can do whatever they want.

By which Transfer of genetic information from one generation to the other is accomplished? -General Knowledge

Description : By which Transfer of genetic information from one generation to the other is accomplished? -General Knowledge

Last Answer : answer:

By which Transfer of genetic information from one generation to the other is accomplished? -General Knowledge

Description : By which Transfer of genetic information from one generation to the other is accomplished? -General Knowledge

Last Answer : answer:

Answer: Because it lacks machinery to use genetic information.

Description : Answer: Because it lacks machinery to use genetic information.

Last Answer : Who first gave the concept of ‘Atom’?

When before a cell enters mitosis what happens to the genetic information in that cell?

Description : When before a cell enters mitosis what happens to the genetic information in that cell?

Last Answer : Need answer

What is a type of reproduction where one organism divides into two and there is no exchange of genetic information.?

Description : What is a type of reproduction where one organism divides into two and there is no exchange of genetic information.?

Last Answer : Need answer

How is genetic information is passed from parents to offspring?

Description : How is genetic information is passed from parents to offspring?

Last Answer : The traits are passed on through gametes, in which the malessperm carries, and the females eggs are carried. Each only containsone of each chromotids which decides your traits depending on thematches the chromosomes make.

Why must gametes only contain half the amount of genetic information of the parent?

Description : Why must gametes only contain half the amount of genetic information of the parent?

Last Answer : As gametes are only the reproductive cells of one parent (either but not both).

What is the change in DNA sequence that affects genetic information?

Description : What is the change in DNA sequence that affects genetic information?

Last Answer : Mutation

When considering equal employment opportunities under the genetic information nondiscrimination act genetic test of family members can be used to determine job eligibility?

Description : When considering equal employment opportunities under the genetic information nondiscrimination act genetic test of family members can be used to determine job eligibility?

Last Answer : What is the answer ?

In genetic engineering the transfer of hereditary information from one species to another results in the formation of?

Description : In genetic engineering the transfer of hereditary information from one species to another results in the formation of?

Last Answer : Need answer

What an offspring that was given different genetic information for a trait from each parent?

Description : What an offspring that was given different genetic information for a trait from each parent?

Last Answer : hybrid

How do bacteria exchange genetic information with each other?

Description : How do bacteria exchange genetic information with each other?

Last Answer : Genetic exchanges among bacteria occur by several mechanisms. In transformation, the recipient bacterium takes up extracellular donor DNA. In transduction, donor DNA packaged in a bacteriophage infects the ... bacterium. In conjugation, the donor bacterium transfers DNA to the recipient by mating.

Unit of genetic information: (A) DNA (B) RNA (C) Cistron (D) None of these

Description : Unit of genetic information: (A) DNA (B) RNA (C) Cistron (D) None of these

Last Answer : Answer : C

In DNA, genetic information is located in (A) Purine bases (B) Pyrimidine bases (C) Purine and pyrimidine bases (D) sugar

Description : In DNA, genetic information is located in (A) Purine bases (B) Pyrimidine bases (C) Purine and pyrimidine bases (D) sugar

Last Answer : Answer : C

Genetic information in human beings is stored in (A) RNA (B) DNA (C) Both (A) and (B) (D) mRNA

Description : Genetic information in human beings is stored in (A) RNA (B) DNA (C) Both (A) and (B) (D) mRNA

Last Answer : Answer : B

Genetic information in human beings is stored in (A) DNA (B) RNA (C) Both (A) and (B) (D) None of these

Description : Genetic information in human beings is stored in (A) DNA (B) RNA (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Blue print for genetic information residues in (A) mRNA (B) tRNA (C) rRNA (D) DNA

Description : Blue print for genetic information residues in (A) mRNA (B) tRNA (C) rRNA (D) DNA

Last Answer : Answer : D

Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins

Description : Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins

Last Answer : Answer : A

Genetic information flows from (A) DNA to DNA (B) DNA to RNA (C) RNA to cellular proteins (D) DNA to cellular proteins

Description : Genetic information flows from (A) DNA to DNA (B) DNA to RNA (C) RNA to cellular proteins (D) DNA to cellular proteins

Last Answer : Answer : B

The fact that DNA bears the genetic information of an organism implies that (A) Base composition should be identical from species to species (B) DNA base composition should charge with age (C) DNA from different tissues in the same organism should usually have the same base composition (D) DNA base composition is altered with nutritional state of an organism

Description : The fact that DNA bears the genetic information of an organism implies that (A) Base composition should be identical from species to species (B) DNA base composition should charge with age (C) ... the same base composition (D) DNA base composition is altered with nutritional state of an organism

Last Answer : Answer : C

Genetic information of nuclear DNA is transmitted to the site of protein synthesis by (A) rRNA (B) mRNA (C) tRNA (D) Polysomes

Description : Genetic information of nuclear DNA is transmitted to the site of protein synthesis by (A) rRNA (B) mRNA (C) tRNA (D) Polysomes

Last Answer : D

Francis Crick’s seminal concept that in nature genetic information generally flows from DNA to RNA to protein.

Description : Francis Crick’s seminal concept that in nature genetic information generally flows from DNA to RNA to protein.

Last Answer : Ans. Central Dogma

The molecule which helps in decoding genetic information carried by DNA

Description : The molecule which helps in decoding genetic information carried by DNA

Last Answer : Ans. RNA

The molecule which encodes genetic information

Description : The molecule which encodes genetic information

Last Answer : Ans. DNA

The process of using information (genetic material) from DNA to construct m-RNA

Description : The process of using information (genetic material) from DNA to construct m-RNA

Last Answer : Ans. Transcription

The process of copying genetic information from one strand of DNA in to RNA is termed as (a) translation (b) transcription (c) replication (d) mutation

Description : The process of copying genetic information from one strand of DNA in to RNA is termed as (a) translation (b) transcription (c) replication (d) mutation

Last Answer : Ans:(b)