Science Flashcards

(47 cards)

1
Q

Degradative pathway

A

Series of chemical reactions that breaks down a complex molecule

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2
Q

Metabolic pathway

A

Series of connected chemical reactions that feed one another

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3
Q

Used to predict states of substances under certain combinations of temperature and pressure

A

Phase diagram

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4
Q

Intensive properties

A

Depends only on the type of matter in a sample and not on the amount. Examples are color, temperature and solubility

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5
Q

Extensive property

A

Depends on the system size or the amount of matter in the system.
Volume, energy and mass

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6
Q

Mineral resorption is the breakdown of

A

Bone

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7
Q

Blood vessels in bones

A

Travel in volksmann’s canals

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8
Q

Lacunae contain

A

Osteocytes

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9
Q

Lacunae connect to each other within an osteon by way of

A

Canaliculi

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10
Q

Blood vessels in bones are found within which canals?

A

Haversian and Volksmann’s canals

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11
Q

Blood vessels travel within the ____ ______ of an osteon

A

Center lamellae

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12
Q

Canaliculi contain

A

Thin projections of osteocytes instead of blood vessels

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13
Q

Attaches muscle to bone

A

Tendon

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14
Q

Periosteum

A

Outer covering of bone

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15
Q

Ligament

A

Tough connective tissue that attaches bone to bone

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16
Q

Cartilage protects

A

Bone in articulating joints

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17
Q

What does a phase diagram show?

A

The temperature and pressures of which various states of matter of a substance exist

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18
Q

What is the critical point of a substance?

A

Temperature and pressure where there is no distinction between gas and liquid

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19
Q

Correlations

A

Linked data trends that are not causal

20
Q

Empirical data

A

Observations gathered with senses or technology

21
Q

Purpose of double blind experiments

A

Decrease influence of researcher and subject bias

22
Q

Intensive properties

A

Depends only on the type of matter in a sample and not the amount

23
Q

Monohybrid cross

A

Cross between parents heterozygous at one specific gene
3:1 phenotype

24
Q

Transcription producing mRNA occurs within

25
Viral DNA that has been inserted into the host DNA would be found in which place
Nucleus
26
When would a human zygote contain 47 chromosomes instead of 46 chromosomes
Improper separation during meiosis
27
Even when it's not contained, water will keep both its shape and density in which of the following states
Solid
28
What affects an enzyme's ability to work as a catalyst?
Amount of substrate available
29
What happens during prophase?
1. Chromosomes condense 2. Centrosomes move to opposite ends 3. Mitotic spindle starts to form 4. Nuclear envelope breaks down 5. Sisters chromatids appear
30
Which organelle is not involved in synthesis or packaging of proteins
Lysosomes
31
Genotype
Genetic makeup of an individual
32
Phenotype
Physical appearance of a trait formed by genetics and the environment
33
Dominant traits
Most powerful trait or the allele for that trait
34
Recessive traits
Traits that are masked if dominant alleles are also present. Refers to the allele for that trait
35
Meiosis
Makes haploid gametes in diploid organisms
36
Pure lines genetics
Parental generation. Abbreviated P
37
F1
Children of pure lines. First filial generation
38
Allele
Variant of a gene
39
Intensive vs. extensive properties
Intensive: don't depend on the amount of substance, density, color, refractive index, temperature Extensive: depend on the amount of substance, mass, volume, energy, entropy
40
Production of rRNA occurs in
Nucleolus
41
Transcription producing mRNA occurs within
Cell nucleus
42
Which factor affects an enzyme's ability to work as acatalyst
Amount of substrate available
43
Immunoglobulin is a synonym for
Antibody
44
Interferon
A protein secreted by leukocytes when they are infected with viruses
45
Cytokines
Cell signaling molecules released primarily by helper t cells and macrophages. Certain cytokines activate cytotoxic t cells
46
Tubular reabsorption
The movement of useful material from filtrate back into the bloodstream
47
Renin
Enzyme released by the kidneys when reduced. Blood pressure is detected by baroreceptors in the aorta and carotid arteries