mdhorselover
Test por , creado hace más de 1 año

Test sobre Biology Module 7: Genetics, creado por mdhorselover el 15/01/2015.

9
0
0
mdhorselover
Creado por mdhorselover hace más de 9 años
Cerrar

Biology Module 7: Genetics

Pregunta 1 de 32

1

What are genetics?

Selecciona una de las siguientes respuestas posibles:

  • The figure produced when the chromosomes of a species during metaphase are arranged according to their homologous pairs

  • The science that studies how characteristics get passed from parent to offspring

  • DNA coiled around and supported by proteins, found in the nucleus of the cell

Explicación

Pregunta 2 de 32

1

What are genetic factors?

Selecciona una de las siguientes respuestas posibles:

  • The general guideline of traits determined by a person’s DNA

  • A sequence of three nucleotide bases on mRNA that refers to a specific type of amino acid

  • Specialized proteins that aid in destroying infectious agents

Explicación

Pregunta 3 de 32

1

What are environmental factors?

Selecciona una de las siguientes respuestas posibles:

  • The “nonbiological” factors that are involved in a person’s surroundings, like the personalities of the person’s parents, the person’s friends, and the person’s behavioral choices

  • The factors in a person’s life that are determined by the quality of their relationship with God

  • The number of homologous pairs in a diploid cell

Explicación

Pregunta 4 de 32

1

What are spiritual factors?

Selecciona una de las siguientes respuestas posibles:

  • The factors in a person’s life that are determined by the quality of their relationship with God

  • A cell ready to begin reproduction, containing duplicated DNA and centrioles

  • A weakened or inactive version of a pathogen that stimulates the body’s production of antibodies which can aid in destroying the pathogen

Explicación

Pregunta 5 de 32

1

What is a gene?

Selecciona una de las siguientes respuestas posibles:

  • A section of DNA that codes for the production of a protein or a portion of protein, causing a trait

  • A cell that has only a homolougue

  • A non-cellular infectious agent that has genetic material (RNA or DNA) inside a protective protein coat and cannot reproduce on its own

Explicación

Pregunta 6 de 32

1

What is MessengerRNA (mRNA)?

Selecciona una de las siguientes respuestas posibles:

  • The RNA that performs transcription

  • DNA coiled around and supported by proteins, found in the nucleus of the cell

  • The total number of chromosomes in a diploid cell

Explicación

Pregunta 7 de 32

1

What is an anticodon?

Selecciona una de las siguientes respuestas posibles:

  • A three-nucleotide base sequence on tRNA

  • A sequence of three nucleotide bases on mRNA that refers to a specific type of amino acid

  • A process of asexual reproduction in eukaryotic cells

Explicación

Pregunta 8 de 32

1

What is a codon?

Selecciona una de las siguientes respuestas posibles:

  • A three-nucleotide base sequence on tRNA

  • A sequence of three nucleotide bases on mRNA that refers to a specific type of amino acid

  • A cell that has only a homolougue

Explicación

Pregunta 9 de 32

1

What is a chromosome?

Selecciona una de las siguientes respuestas posibles:

  • DNA coiled around and supported by proteins, found in the nucleus of the cell

  • A cell ready to begin reproduction, containing duplicated DNA and centrioles

  • A non-cellular infectious agent that has genetic material (RNA or DNA) inside a protective protein coat and cannot reproduce on its own.

Explicación

Pregunta 10 de 32

1

What is mitosis?

Selecciona una de las siguientes respuestas posibles:

  • A process of asexual reproduction in eukaryotic cells

  • A process of sexual reproduction in eukaryotic cells

  • The figure produced when the chromosomes of a species during metaphase are arranged according to their homologous pairs

Explicación

Pregunta 11 de 32

1

What is interphase?

Selecciona una de las siguientes respuestas posibles:

  • The time between cellular reproduction

  • The area that joins two sister chromatids

  • The process by which a diploid cell forms gametes

Explicación

Pregunta 12 de 32

1

What is the centromere?

Selecciona una de las siguientes respuestas posibles:

  • The time between cellular reproduction

  • The area that joins two sister chromatids

  • The figure produced when the chromosomes of a species during metaphase are arranged according to their homologous pairs

Explicación

Pregunta 13 de 32

1

What is a mother cell?

Selecciona una de las siguientes respuestas posibles:

  • A cell ready to begin reproduction, containing duplicated DNA and centrioles

  • A cell with chromosomes that come in homologous pairs

  • A cell that has only a homolougue

Explicación

Pregunta 14 de 32

1

What is the karyotype?

Selecciona una de las siguientes respuestas posibles:

  • The figure produced when the chromosomes of a species during metaphase are arranged according to their homologous pairs

  • The process by which a diploid cell forms gametes

  • The time between cellular reproduction

Explicación

Pregunta 15 de 32

1

What is a diploid cell?

Selecciona una de las siguientes respuestas posibles:

  • A cell with chromosomes that come in homologous pairs

  • A cell that has only a homolougue

  • A cell ready to begin reproduction, containing duplicated DNA and centrioles

Explicación

Pregunta 16 de 32

1

What is a haploid cell?

Selecciona una de las siguientes respuestas posibles:

  • A cell with chromosomes that come in homologous pairs

  • A cell that has only a homolougue

  • A cell ready to begin reproduction, containing duplicated DNA and centrioles

Explicación

Pregunta 17 de 32

1

What is a diploid number?

Selecciona una de las siguientes respuestas posibles:

  • The total number of chromosomes in a diploid cell

  • The number of homologous pairs in a diploid cell

  • The process by which a diploid cell forms gametes

Explicación

Pregunta 18 de 32

1

What is a haploid number?

Selecciona una de las siguientes respuestas posibles:

  • The number of homologous pairs in a diploid cell

  • The total number of chromosomes in a diploid cell

  • Haploid cells produced by diploid cells for the purpose of sexual reproduction

Explicación

Pregunta 19 de 32

1

What is meiosis?

Selecciona una de las siguientes respuestas posibles:

  • The process by which a diploid cell forms gametes

  • A process of asexual reproduction in eukaryotic cells

  • The RNA that performs transcription

Explicación

Pregunta 20 de 32

1

What are gametes?

Selecciona una de las siguientes respuestas posibles:

  • Haploid cells produced by diploid cells for the purpose of sexual reproduction

  • Specialized proteins that aid in destroying infectious agents

  • The total number of chromosomes in a diploid cell

Explicación

Pregunta 21 de 32

1

What is a virus?

Selecciona una de las siguientes respuestas posibles:

  • A non-cellular infectious agent that has genetic material (RNA or DNA) inside a protective protein coat and cannot reproduce on its own

  • A weakened or inactive version of a pathogen that stimulates the body’s production of antibodies which can aid in destroying the pathogen

  • A sequence of three nucleotide bases on mRNA that refers to a specific type of amino acid

Explicación

Pregunta 22 de 32

1

What are antibodies?

Selecciona una de las siguientes respuestas posibles:

  • Specialized proteins that aid in destroying infectious agents

  • Haploid cells produced by diploid cells for the purpose of sexual reproduction

  • DNA coiled around and supported by proteins, found in the nucleus of the cell

Explicación

Pregunta 23 de 32

1

What is a vaccine?

Selecciona una de las siguientes respuestas posibles:

  • A weakened or inactive version of a pathogen that stimulates the body’s production of antibodies which can aid in destroying the pathogen

  • A process of asexual reproduction in eukaryotic cells

  • A cell ready to begin reproduction, containing duplicated DNA and centrioles

Explicación

Pregunta 24 de 32

1

TRUE OR FALSE::
Suppose a sequence of DNA is: guanine, cytosine, adenine, adenine, thymine, guanine.
It's mRNA sequence would be: cytosine, guanine, thymine, thymine, adenine, cytosine.

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 25 de 32

1

TRUE OR FALSE::
Suppose a sequence of DNA is: guanine, cytosine, adenine, adenine, thymine, guanine.
The mRNA would code for 2 amino acids

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 26 de 32

1

TRUE OR FALSE::
Suppose a sequence of DNA is: guanine, cytosine, adenine, adenine, thymine, guanine.
The mRNA will have 4 codons.

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 27 de 32

1

TRUE OR FALSE::
Suppose a sequence of DNA is: guanine, cytosine, adenine, adenine, thymine, guanine.
The tRNA anticodons that bond to the mRNA would be: guanine, cytosine, adenine and adenine, uracil, guanine

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 28 de 32

1

If an RNA strand has an anticodon...

Selecciona una o más de las siguientes respuestas posibles:

  • It is mRNA

  • It is tRNA

  • It is neither

  • It is both

  • It will also have a codon somewhere in the cell

Explicación

Pregunta 29 de 32

1

TRUE OR FALSE::
Protein synthesis in a ribosome is part of translation

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 30 de 32

1

Say scientists discovered a gene that is more prevalent in murderers than in the majority of the public. What can you conclude from that gene?

Selecciona una o más de las siguientes respuestas posibles:

  • Murderers have no responsibility for what they do, it's in their genes

  • It is just a genetic trend, not a determining factor

  • You can fight that gene with your choices and environmental and spiritual factors

  • If you have that gene you must be a murderer and there is no hope for you and you are doomed

  • The gene would only establish a genetic trend

Explicación

Pregunta 31 de 32

1

TRUE OR FALSE::
If you look under a microscope and see distinct chromosomes in a cell, it is in interphase

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 32 de 32

1

What are the 4 stages of mitosis?

Selecciona una o más de las siguientes respuestas posibles:

  • prophase

  • metaphase

  • anaphase

  • interphase

  • telophase

  • karyophase

  • centrophase

  • introphase

  • extrophase

Explicación

Anterior
Siguiente