Biosciences Chapter 1

Last Updated By Scott Diaz on 05/05/2012
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Which of these is an example of inductive reasoning?

Answer:
a)  Hundreds of individuals of a species have been observed and all are photosynthetic; therefore, the species is photosynthetic.
b)  These organisms live in sunny parts of this area so they are able to photosynthesize.
c)  If horses are always found grazing on grass, they can be only herbivores and not omnivores.
d)  If protists are all single-celled, then they are incapable of aggregating.
e)  If two species are members of the same genus, they are more alike than each of them could be to a different genus.
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  • Scott Diaz

    In a high school laboratory, which of the following constitutes an experiment?

    I. learning to use a microscope by examining fixed specimens on slides

    II. being able to examine swimming protists under a microscope

    III. extracting pigments from plant leaves and separating the types of pigments for identification

    IV. preparing root tips for examination by staining them


    a)I only
    b)II only
    c)III only
    d)II and III only
    e)II, III, and IV
    c)II, III, and IV
  • Scott Diaz
    Which of the following best describes a model organism?
    a)It is often pictured in textbooks and easy for students to imagine.
    b)It lends itself to many studies that are useful to beginning students.
    c)It is well studied, easy to grow, and results are widely applicable.
    d)It is small, inexpensive to raise, and lives a long time
    e)It has been chosen for study by the earliest biologists.
    c)It has been chosen for study by the earliest biologists.
  • Scott Diaz
    Why is a scientific topic best discussed by people of varying points of view, a variety of subdisciplines, and diverse cultures?
    a)They can rectify each other's approach to make it truly scientific.
    b)Robust and critical discussion between diverse groups improves scientific thinking.
    c)Scientists can explain to others that they need to work in isolation to utilize the scientific method more productively.
    d)This is another way of making science more reproducible.
    e)Scientists need to exchange their ideas with other disciplines and cultures so that all groups are in consensus with the course of future research.
    b)Scientists need to exchange their ideas with other disciplines and cultures so that all groups are in consensus with the course of future research.
  • Scott Diaz
    The illustration above most probably represents
    The illustration above most probably represents
    a)a computer simulation of the structure of a eukaryotic cell.
    b)a map of a network of protein interactions within a eukaryotic cell.
    c)an inventory of all the genes in a fruit fly.
    d)an X-ray diffraction image of the nucleus and cytoplasm of a eukaryotic cell.
    e)a computer-generated map of the interaction of genes and cytoplasm in a prokaryotic cell.
    b)a computer-generated map of the interaction of genes and cytoplasm in a prokaryotic cell.
  • Scott Diaz
    What do these two plants have in common?
    What do these two plants have in common?
    a)adaptations to extreme heat
    b)adaptations to conserve water
    c)identical stem structures
    d)identical flower structures
    e)lack of photosynthesis
    b)lack of photosynthesis
  • Scott Diaz
    Use the following information to answer the questions below.

Golden algae are a group of protists whose color is due to carotenoid pigments: yellow and brown. Most have two flagella and all are photosynthetic. A group of students was given a significant sample of one of these (Dinobryon) that is colonial. Their instructions for the project were to design two or more experiments that could be done with these organisms.

Since these organisms are protists, which of these characteristics could the students assume to be true?
    Use the following information to answer the questions below. Golden algae are a group of protists whose color is due to carotenoid pigments: yellow and brown. Most have two flagella and all are photosynthetic. A group of students was given a significant sample of one of these (Dinobryon) that is colonial. Their instructions for the project were to design two or more experiments that could be done with these organisms. Since these organisms are protists, which of these characteristics could the students assume to be true?
    a)The organisms are photosynthetic.
    b)All of them are marine.
    c)They are single-celled.
    d)They lack membrane-bound organelles.
    e)Each has a single circular molecule of DNA.
    a)Each has a single circular molecule of DNA.
  • Scott Diaz
    Use the following information to answer the questions below.

Golden algae are a group of protists whose color is due to carotenoid pigments: yellow and brown. Most have two flagella and all are photosynthetic. A group of students was given a significant sample of one of these (Dinobryon) that is colonial. Their instructions for the project were to design two or more experiments that could be done with these organisms.

The students decide that for one of their experiments, they want to see whether the organisms can photosynthesize. Which of the following is the best hypothesis?
    Use the following information to answer the questions below. Golden algae are a group of protists whose color is due to carotenoid pigments: yellow and brown. Most have two flagella and all are photosynthetic. A group of students was given a significant sample of one of these (Dinobryon) that is colonial. Their instructions for the project were to design two or more experiments that could be done with these organisms. The students decide that for one of their experiments, they want to see whether the organisms can photosynthesize. Which of the following is the best hypothesis?
    a)If the Dinobryon can live > 5 days without added food, they must be able to photosynthesize.
    b)If the Dinobryon can live without exposure to light for > 5 days, they must be able to photosynthesize.
    c)If the Dinobryon photosynthesize, they must need no other minerals or nutrients and will be able to live in distilled water and light alone.
    d)If the Dinobryon are kept in the dark, one-half will be expected to die in 5 days.
    e)If the Dinobryon are able to photosynthesize, the students should be able to extract photosynthetic pigments.
    e)If the Dinobryon are able to photosynthesize, the students should be able to extract photosynthetic pigments.
  • Scott Diaz
    Use the following information to answer the questions below.

Golden algae are a group of protists whose color is due to carotenoid pigments: yellow and brown. Most have two flagella and all are photosynthetic. A group of students was given a significant sample of one of these (Dinobryon) that is colonial. Their instructions for the project were to design two or more experiments that could be done with these organisms.

For their second experiment, the students want to know whether the Dinobryon have to live in colonies or can be free living. How might they proceed?
    Use the following information to answer the questions below. Golden algae are a group of protists whose color is due to carotenoid pigments: yellow and brown. Most have two flagella and all are photosynthetic. A group of students was given a significant sample of one of these (Dinobryon) that is colonial. Their instructions for the project were to design two or more experiments that could be done with these organisms. For their second experiment, the students want to know whether the Dinobryon have to live in colonies or can be free living. How might they proceed?
    a)Observe each day to see whether new organisms are ever reproduced as single cells.
    b)Observe whether only specialized cells are able to divide to produce new colonies.
    c)Divide a sample into single cells and measure the length of time they remain this way.
    d)Divide a sample into single cells and observe them.
    e)Divide a sample into single cells and see whether they come back together.
    c)Divide a sample into single cells and see whether they come back together.
  • Scott Diaz
    Use the following information to answer the questions below.

Golden algae are a group of protists whose color is due to carotenoid pigments: yellow and brown. Most have two flagella and all are photosynthetic. A group of students was given a significant sample of one of these (Dinobryon) that is colonial. Their instructions for the project were to design two or more experiments that could be done with these organisms.

The students plan to gather data from the project. Which of the following would be the best way to present what they gather from experimental groups as opposed to controls?
    Use the following information to answer the questions below. Golden algae are a group of protists whose color is due to carotenoid pigments: yellow and brown. Most have two flagella and all are photosynthetic. A group of students was given a significant sample of one of these (Dinobryon) that is colonial. Their instructions for the project were to design two or more experiments that could be done with these organisms. The students plan to gather data from the project. Which of the following would be the best way to present what they gather from experimental groups as opposed to controls?
    a)qualitatively, noting color, size, and so on
    b)measuring the number of new colonies formed during every 12-hour period
    c)counting the number of new colonies after a week
    d)measuring the size of each new colony in millimeters (mm) of length
    e)measuring the dry weight of all new colonies in grams
    b)measuring the dry weight of all new colonies in grams
  • Scott Diaz

    I. New properties emerge at each level in the biological hierarchy.

    II. Organisms interact with other organisms and the physical environment.

    III. Life requires energy transfer and transformation.

    IV. Structure and function are correlated at all levels of biological organization.

    V. Cells are an organism's basic units of structure and function.

    VI. The continuity of life is based on heritable information in the form of DNA.

    VII. Feedback mechanisms regulate biological systems.

    VIII. Evolution accounts for the unity and diversity of life.

    Which theme(s) is/are best illustrated by an experiment in which a biologist seeks a medication that will inhibit pain responses in a cancer patient?


    a)II
    b)VII
    c)III and V
    d)V and VIII
    e)VI and VII
    b)VI and VII
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Biosciences Chapter 1
Biosciences Chapter 1
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Free Quiz Question From Biosciences Chapter 1
Question: Which of these is an example of inductive reasoning?
Answer:
Hundreds of individuals of a species have been observed and all are photosynthetic; therefore, the species is photosynthetic.
These organisms live in sunny parts of this area so they are able to photosynthesize.
If horses are always found grazing on grass, they can be only herbivores and not omnivores.
If protists are all single-celled, then they are incapable of aggregating.
If two species are members of the same genus, they are more alike than each of them could be to a different genus.