are alterations in an organisms DNA

Which list represents a correct ordering of the levels of complexity from simple to complex

cell, tissue, organ, organism, population, community

Ozone is important to life on Earth because it

helps block ultraviolet radiation

The main purpose of any single experiment is to

test a prediction tha tis based on a hypothesis

Which items matters least for natural selection?

a trait must directly affect metabolism

Evolution is the change in genetic makeup of

populations of organisms over time

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AP Biology Intro to life

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Introduction to AP Biology #apbiology

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Questions 13

Answers

1
Mutations
are alterations in an organisms DNA
occur in proteins
usually improve the function of the organism
are not caused by chemicals
2
Every living organism can be assigned to one of three separate
genomes
domains
genus groups
species
3
Which list represents a correct ordering of the levels of complexity from simple to complex
cell, tissue, organ, organism, population, community
cell, organ, tissue, organism, population, community
community, population, organism, organ, tissue, cell
tissue, organ, cell, population, organism, community
4
Ozone is important to life on Earth because it
is used for aerobic metabolism
can be used in the place of oxygen
provides energy to some basic forms of life
helps block ultraviolet radiation
5
All organisms want to maintain stable conditions, this is called
Metabolism
Dynamic equilibrium
Hemostasis
Homeostasis
6
The main purpose of any single experiment is to
answer as many key questions as possible
test a prediction tha tis based on a hypothesis
obtain accurate quantitative measurements
<p>avoid a merely comparative analysis</p>
7
The central dogma of molecular biology states that information moves from
DNA to RNA to protein
RNA to DNA to protein
ribosomes to nucleus to protein
nucleus to DNA to protein
8
Which items matters least for natural selection?
organisms must display variation
a trait must be able to be passed on to future generations
a trait must increase survival
a trait must directly affect metabolism
9
Evolution is the change in genetic makeup of
fossils from the distant past
populations of organisms over time
cells within an organism
organs within an organism
10
By studying yeasts, we can discover facts about human cells because yeasts and humans
contain the same genome
are both prokaryotes
use the same genetic code
share a common viral ancestor
11
Which structure is necessary for forming a cell?
membrane
mitochondria
organelles
nucleus
12
Evidence indicates that all life on Earth today
requires oxygen for life
is able to extract energy from the sun
has a single common ancestor
is multicellular
13
One reason that we consider the dormant seed of a desert plant to be alive is that it
is extracting energy from the environment
contains genetic material
formed within a nonliving structure
is evolving

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