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TEAS > Science > Flashcards

Science Flashcards

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

A

Cell nucleus

25
Q

Viral DNA that has been inserted into the host DNA would be found in which place

A

Nucleus

26
Q

When would a human zygote contain 47 chromosomes instead of 46 chromosomes

A

Improper separation during meiosis

27
Q

Even when it’s not contained, water will keep both its shape and density in which of the following states

A

Solid

28
Q

What affects an enzyme’s ability to work as a catalyst?

A

Amount of substrate available

29
Q

What happens during prophase?

A
  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
Q

Which organelle is not involved in synthesis or packaging of proteins

A

Lysosomes

31
Q

Genotype

A

Genetic makeup of an individual

32
Q

Phenotype

A

Physical appearance of a trait formed by genetics and the environment

33
Q

Dominant traits

A

Most powerful trait or the allele for that trait

34
Q

Recessive traits

A

Traits that are masked if dominant alleles are also present. Refers to the allele for that trait

35
Q

Meiosis

A

Makes haploid gametes in diploid organisms

36
Q

Pure lines genetics

A

Parental generation. Abbreviated P

37
Q

F1

A

Children of pure lines. First filial generation

38
Q

Allele

A

Variant of a gene

39
Q

Intensive vs. extensive properties

A

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
Q

Production of rRNA occurs in

A

Nucleolus

41
Q

Transcription producing mRNA occurs within

A

Cell nucleus

42
Q

Which factor affects an enzyme’s ability to work as acatalyst

A

Amount of substrate available

43
Q

Immunoglobulin is a synonym for

A

Antibody

44
Q

Interferon

A

A protein secreted by leukocytes when they are infected with viruses

45
Q

Cytokines

A

Cell signaling molecules released primarily by helper t cells and macrophages. Certain cytokines activate cytotoxic t cells

46
Q

Tubular reabsorption

A

The movement of useful material from filtrate back into the bloodstream

47
Q

Renin

A

Enzyme released by the kidneys when reduced. Blood pressure is detected by baroreceptors in the aorta and carotid arteries

TEAS (3 decks)

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