THEMES IN THE STUDY OF LIFE Flashcards

1
Q

All the organisms found on NEUST General Tinio campus make up a/an

a. population
b. ecosystem
c. community
d. domain

A

COMMUNITY

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2
Q

Which shows a correct sequence of levels in life hierarchy?

a. brain-organ system-nerve cell- nerve tissue
b. organ system- nerve tissue- brain
c. organism-organ system- tissue-cell- organ
d. nervous system- brain- nervous tissue-nerve cell
e. organ system-tissue- molecule- cell

A

nervous system
brain
nervous tissue
nerve cell

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3
Q

Systems biology is mainly an attempt to

a. analyze genomes from different species
b. simplify complex problems by reducing the system into smaller, less complex units
c. understand the behavior of entire biological systems
d. build high-throughput machines for the rapid acquisition of biological data
e. speed up the technological application of scientific knowledge

A

understand the behavior of entire biological systems

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4
Q

Which of the following best demonstrates the unity among all organisms?

a. matching DNA nucleotide sequences
b. descent with modification
c. structure and function of DNA
d. natural selection
e. emergent properties

A

matching DNA nucleotide sequences

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5
Q

A controlled experiment is one that

a. proceeds slowly enough that a scientist can make careful records of the results
b. test experimental and control groups in parallel
c. is repeated many times to make sure the results are accurate
d. keeps all variables constant
e. is supervised by an experienced scientist

A

test experimental and control groups in parallel

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6
Q

Which of the following is an example of qualitative data?

a. room temperature decrease from 25 to 15 degrees Celsius
b. root length is 28 cm
c. the mice ran in zigzag motion
d. there were 6 duck embryos from 4 ducks
e. liquid media was mixed for 48 hours

A

the mice ran in zigzag motion

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7
Q

TRUE OR FALSE

A theory is supported by more evidence and is basis for many scientific thought.

A

True

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8
Q

TRUE OR FALSE - Explain

According to Darwin’s Theory of Natural Selection, competition within a population is inevitable. WHY?

A

TRUE
A population can produce far more offspring than can survive to produce offspring of their own.
More individuals.

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9
Q

Explain the concept of Evolution on your own terms.

A

To survive, organisms learn or change or get new/lose traits suitable to their environment. Those that can survive will reproduce can pass on these traits to the next generation.

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10
Q

TRUE OR FALSE

Kingdom Fungi is under Domain Bacteria

A

FALSE

Domain Eukarya

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11
Q

What is the THEME/s exemplified by - the sharp spines of a porcupine?

A

STRUCTURE AND FUNCTION ARE CORRELATED

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12
Q

What is the THEME/s exemplified by -cloning of a plant from a single cell

A

CELL IS THE BASIC UNIT OF STRUCTURE AND FUNCTION IN AN ORGANISM

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13
Q

NEGATIVE OF POSITIVE FEEDBACK
In Biochemical pathway X, a three-step pathway results in a product that stimulates an enzyme in the second step of the reaction, increasing the rate of production of more products.

A

POSITIVE FEEDBACK

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14
Q

NEGATIVE OF POSITIVE FEEDBACK
Pathway BTS is a three-step pathway. Each step is catalyzed by an enzyme. BTS pathway produces product EXO. An accumulation of product EXO inhibits enzyme T, thus decreasing the production of more EXO.

A

Negative feedback

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15
Q

What is the THEME/s exemplified by -fertilized egg with DNA from both parents that results to the development of an offspring with traits inherited from both parents

A

CONTINUITY OF LIFE IS BASED ON HERITABLE INFORMATION IN THE DNA

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