Bio lecture final Flashcards

Bio lecture final

1
Q

Why don’t plant cells Rupture?

A

Cell walls provide pressure to counteract the pressure of incoming water

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2
Q

What features are shared by all animals

A

Contact between their cells and an aqueous Medium

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3
Q

Which type of cell is specialized to store fat in animals?

A

Adipose cells

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4
Q

Which is the correct order of organization of structures in living things from simplest to most complex?

A

Cells, tissue, organs, organ systems

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5
Q

All living things maintain a balance within their cells and the environment through the process of…

A

homeostasis

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6
Q

Which of the following statements best describes Linnaeus method of classifying organisms?

A

Grouped organisms into increasingly more inclusive categories

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7
Q

Which of these conditions do NOT occur in populations evolving due to natural selection?

A

Individuals pass on Most traits that they acquire during their lifetime

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8
Q

Which of the following statements best describes evolution?

A

Populations change genetically from one generation to the next.

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9
Q

Existence of antlers in beetles and fly and deer species with string male-male comp is an example of what?

A

Convergent evolution

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10
Q

Which of the following pairs is the best example of homologous structures?

A

Bones in the bat wing and bones in the human forelimbs

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11
Q

Which of the three types of viruses shown in the figure shown in the figure would you expect to include a Capside(s)

A

1, 2 and 3

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12
Q

Which of the following statements best supports the argument that viruses are nonliving?

A

They do not carry out metabolic processes

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13
Q

Viruses can carry out which of the following processes?

A

Us the host cell machinery to make copies of viral genomes and viral proteins

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14
Q

Which species concepts distinguishes two species based on the degree of genetic exchange between their gene pools?

A

Biological

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15
Q

The host range of a virus is determined by whether ____

A

The proteins on virus surface can bind with proteins on the host surface

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16
Q

What is the function of reverse transcriptase in retroviruses?

A

It uses viral RNA as a template for DNA synthesis

17
Q

Which of the following responses explain why the apparent high rate of mutation in RNA viruses?

A

RNA virus genome replication does not involve proofreading

18
Q

Emerging viruses arise by____

A

-Mutation of existing viruses
-The spread of existing viruses more widely within their host species
-The spread of existing viruses to new host species

19
Q

Which part of a bacterium is the complete chromosome found?

20
Q

Which of the following statements correctly describes both photo and chemotrophs?

A

Chemotrophs obtain energy from chemical, Phototrophs obtain energy from light

21
Q

Which of the following traits do archaeans and bacteria have in common?

A

Lack of a nuclear envelope and presence of circular chromosome

22
Q

A ____ is a protein shell enclosing a viral genome

23
Q

A harmless derivative of pathogenic microbes that stimulate the immune system to mount defense against harmful pathogen

24
Q

Which of the following characteristics is common among all protists?

A

Eukaryotic

25
Which of the following structures provides motility in species of paramecium?
many Cilia
26
Which of the following plant parts absorbs most of the water and minerals taken up from the soil?
Root hairs
27
Which of the following structures is a modified horizontal shoot growing along the soil surface?
Stolon
28
Which of the following describes an anatomical difference between roots and leaves?
A waxy cuticle covers leaves but is absent from roots
29
Which of the following structures is correctly paired with its function
Sclerenchyma - Supporting cells with thick secondary walls
30
Which is the correct sequence of the zones in the primary growth of a root, moving from the root cap toward the stem?
Zone of cell division, elongation, differentiation
31
Which of the following accurately describes the direction phloem sap can flow?
leaves to roots or roots to leaves
32
A plant developed a mineral deficiency after being treated with a fungicide. The most probable cause of the deficiency?
Mycorrhizal fungi were killed
33
Which of the following defines the loss of water from the aerial parts of plants
Transpiration
34
Most of the water absorbed by a plant is used for what purpose?
To replace water lost during transpiration
35
Which of the following primarily enters a plant somewhere other than through the roots?
Carbon dioxide
36
Which of the following is a result of the high surface-to-volume ratio of leaves?
Increased CO2 absorption
37
What soil composition would be best for availability of nutrients, water, and air for root development
Equal amounts of sand, clay and silt
38
Which of the following properties is least conducive to plant growth?
Compacted soil
39
Which of the following is not a problem resulting from intensive irrigation?
Over fertilization