AnswersHVA 26-27 IM Biology ALab: Diffusion Across a Semi-permeable Membrane

Lab: Diffusion Across a Semi-permeable Membrane — Unit test Answers

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1
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In what respect is a mycelium and a fruiting body similar?

A
Both are made of hyphae.
B
Both are found above the ground.
C
Both produce reproductive spores.
D
Both absorb nutrients underground.
2
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Which best describes the different modes of bacterial reproduction?

A
In genetic recombination, two new genetically identical cells are produced.
B
In conjugation, a special sex pilus is required to connect two bacterial cells.
C
In transduction, a bacterium exchanges a piece of its own DNA with another from the environment.
D
In transformation, bacterial DNA is transferred from one bacterium to another by a replicating virus.
3

Which of these are characteristics of all animal cells? Check all that apply.

A
They contain a nucleus.
B
They are eukaryotic.
C
They lack membrane-bound organelles.
D
They lack a nucleus.
E
They are prokaryotic.
F
They contain membrane-bound organelles.
4

Scientists group organisms into kingdoms by looking at specific characteristics. Thermus aquaticus, shown below, is a specialized bacteria called a thermophile. Thermophiles are microorganisms that can live in bodies of water that are extremely hot, such as deep sea hydrothermal vents.Which characteristic most likely describes a mushroom but not Thermus aquaticus?

Question illustration
A
cell wall
B
eukaryotic
C
unicellular
D
prokaryotic
5

Beans, peaches, and tomatoes are all in the same group of plants. What do these plants have in common?

A
Their seeds do not have cotyledons.
B
They do not have vascular tissue.
C
Their seeds are not protected by fruit.
D
They bear flowers and seeds.
6

Which organ systems work together to help the body shiver in order to maintain homeostasis?

A
circulatory and respiratory
B
nervous and muscular
C
circulatory and muscular
D
respiratory and nervous
7

This table lists examples of plants. Plant Classifications GymnospermsAngiospermsAFlowering plants, grains, and fruit treesConifers, cycads, and gingkosBGrains, flowering plants, and gingkosFruit trees, conifers, and cycadsCFruit trees, cycads, and grainsConifers, gingkos, and flowering plantsDConifers, cycads, and gingkosFlowering plants, grains, and fruit treesWhich row (A, B, C, or D) in the table accurately categorizes the plants as gymnosperms and angiosperms?

A
A
B
B
C
C
D
D
8

Which reason best explains why bacteria are good at causing infections in other organisms?

A
It would not be able to divide.
B
Bacteria are transmitted easily and reproduce quickly.
C
Bacteria evolve slowly as they pass on genetic information.
D
Bacteria are easily killed by a host’s immune system or antibiotics.
9

Which statement accurately describes reproduction in animals?

A
All animals can reproduce asexually, and some can reproduce sexually.
B
All animals can reproduce sexually, and some can reproduce asexually.
C
Animals only reproduce sexually.
D
Animals only reproduce asexually.
10

Shelby is a plant breeder who is trying to identify the cause of a disease among a group of trees. She observes that the organism reproduces through spores and has reproductive structures that are shaped like a sac. Which type of fungus is it?

A
Ascomycota
B
Basidiomycota
C
Chytridiomycota
D
Zygomycota
11

Which level of organization falls directly after the tissue level when listed in order from least to most complex?

A
organelle
B
cell
C
organ system
D
organ
12

Consider the diagram of the basic structure of bacteria.Which of the labeled structures in the diagram allows bacteria to infect organisms under harsh conditions, such as in the acidic stomach?

Question illustration
A
A
B
B
C
C
D
D
13

Which term represents animals without backbones?

A
invertebrates
B
heterotrophs
C
autotrophs
D
vertebrates
14

Consider the recent phylogenetic tree of five different organisms. Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the tree?

Question illustration
A
crocodiles and insects
B
bats and humans
C
birds and bats
D
humans and crocodiles
15

Which animals use the specialized roles of diver and barrier while participating in cooperative hunting?

A
ants
B
zebra
C
bottlenose dolphins
D
wildebeests

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