100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
mastering biology chapter 1-3 questions and answers 2024 $13.49   Add to cart

Exam (elaborations)

mastering biology chapter 1-3 questions and answers 2024

 1 view  0 purchase
  • Course
  • Mastering Biology
  • Institution
  • Mastering Biology

mastering biology chapter 1-3

Preview 2 out of 14  pages

  • October 25, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Mastering Biology
  • Mastering Biology
avatar-seller
julianah420
mastering biology chapter 1-3

DNA is composed of building blocks called _____. - answer nucleotides

In eukaryotic cells DNA has the appearance of a ____ - answer double helix

Which of the following statements is not true of scientific experiments? - answer They
must occur under carefully controlled conditions found in a laboratory.

In an experiment, investigators try to control all of the variables except one—the one
that tests the hypothesis. Which of the following reasons is the primary rationale for
controlling variables in an experiment? - answer To eliminate alternative explanations
for the results of an experiment

Which of the following statements could not be supported or rejected by a scientific
experiment? - answer The first living cell on Earth came from outer space

Which of the following statements is true of a hypothesis? - answer A hypothesis can be
supported or rejected through experimentation.

Which of the following variables did Pasteur change in his experiment to test the
hypothesis of spontaneous generation? - answerThe shape of the flask

In Pasteur's experiment to test the hypothesis of spontaneous generation, why did he
boil the broth in both flasks? - answerTo kill any existing organisms in the broth

What results from the Zonosemata experiment support the sub-hypothesis that wing
waving alone reduces predation by jumping spiders? - answerZonosemata flies with
housefly wings are attacked less frequently.

Suppose that Zonosemata flies whose own wings had been clipped and reattached
were attacked more frequently than untreated Zonosemata flies. How would this result
affect the reliability of the other experimental results - answerAll results for the
experimental groups involving wing surgery would be invalid.

What are the independent variables, the variables that were manipulated by the
researcher? - answermouse coat color and the presence or absence of moonlight

What is the dependent variable, the response to the variables being tested? - answerthe
number of mice caught

How many dark brown mice were caught in the light-colored soil enclosure on a moonlit
night? - answer19

, How many dark brown mice were caught in the dark-colored soil enclosure on a moonlit
night? - answer12

On a moonlit night, would a dark brown mouse be more likely to escape predation by
owls on dark- or light-colored soil? What data support your conclusion? - answerOn
dark-colored soil; fewer dark brown mice were caught on dark soil than on light soil
under a full moon.

Is a dark brown mouse on dark-colored soil more likely to escape predation under a full
moon or with no moon? What data support your answer? - answerUnder a full moon;
the owl caught more dark mice when there was no moon (about 20) than when there
was a full moon (about 12).

Under which conditions would a dark brown mouse be most likely to escape predation
at night? - answeron dark-colored soil with full moon light

How many light brown mice were caught in the light-colored soil enclosure on a moonlit
night? - answer18

How many light brown mice were caught in the dark-colored soil enclosure on a moonlit
night? - answer28

On a moonlit night, would a light brown mouse be more likely to escape predation by
owls on dark- or light-colored soil? What data support your conclusion? - answerOn
light-colored soil; fewer light brown mice were caught on light soil than on dark soil
under a full moon.

Is a light brown mouse on light-colored soil more likely to escape predation under a full
moon or with no moon? What data support your answer? - answerUnder no moon; the
owl caught more light mice when there was a full moon (about 18) than when there was
no moon (about 11).

Under which conditions would a light brown mouse be most likely to escape predation at
night? - answeron light-colored soil with no moon

What combination of independent variables led to the highest predation level in
enclosures with light-colored soil? - answerdark brown coat with no moon

What combination of independent variables led to the highest predation level in
enclosures with dark-colored soil? - answerlight brown coat with full moon

in a natural experiment, the researcher can conclude that any observed health effects
may be related to exposure to the toxic chemical, but establishing direct causation is
difficult. - answerNatural experiments are usually limited to establishing correlation,
whereas manipulative experiments can more strongly suggest causation.

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

72042 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.49
  • (0)
  Add to cart