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Biology: explore STEM content (page 26 of 50) · openstem

All fields Software Mathematics Physics Chemistry Biology Engineering Astronomy Environmental Other Biology Biology groups

Explore STEM Content

Search the community's STEM library — free to study, yours to make your own.

Biology

Cells, genetics, ecology and physiology on openstem — flashcards, notes, quizzes, sketches and flowcharts shared by the community. Study free, or clone anything into your library.

Content Groups1

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Flowchart11 objects

Biology

Biology · L2 · Cellular Respiration: The Word Equation · flowchart

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Biology · L2 · Cellular Respiration: The Word Equation · flowchart

Flowchart11 objects

Biology

Biology · L3 · The Lymphatic System: Fluid Return and Immunity · flowchart

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Biology · L3 · The Lymphatic System: Fluid Return and Immunity · flowchart

Note~387 words · 2 min

Joints of the skeletal system A joint, or articulation, is the point where two or more bones meet. Joints are classified structurally by the type of connective tissue that joins the bones, which in turn determines how much movement — if any

Biology

Biology · L3 · Joints and Skeletal Functions

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Biology · L3 · Joints and Skeletal Functions

Collection4 items

01Biology · L5 · Metagenomics and Microbial Ecology

02Biology · L5 · Metagenomics and Microbial Ecology

03Biology · L5 · Quorum Sensing Feedback Loop

+1 more

Biology

Biology · L5 · Metagenomics and Microbial Ecology

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Biology · L5 · Metagenomics and Microbial Ecology

Flowchart11 objects

Biology

Biology · L5 · Tumor Microenvironment and Metastasis · flowchart

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Biology · L5 · Tumor Microenvironment and Metastasis · flowchart

Quiz5 questions

What is an antigen?

AA protein made by white blood cells to attack germsBA marker on the surface of an invader that the immune system can recognizeCA type of germ that only lives in waterDThe scar left behind after a cut heals

Biology

Biology · L2 · Antibodies and the Lock-and-Key Idea Quiz

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Biology · L2 · Antibodies and the Lock-and-Key Idea Quiz

Collection5 items

01Biology · L3 · Neuron Structure and the Action Potential

02Biology · L3 · CNS, PNS, and the Reflex Arc

03Biology · L3 · The Reflex Arc

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Biology

Biology · L3 · The Nervous System

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Biology · L3 · The Nervous System

Flowchart19 objects

Biology

Biology · L3 · Endocytosis and Exocytosis Pathways

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Biology · L3 · Endocytosis and Exocytosis Pathways

Quiz5 questions

Anfinsen's ribonuclease A refolding experiment provided direct evidence for which conclusion?

AProtein folding always requires a dedicated chaperone protein to reach the native state.BThe amino acid sequence alone contains sufficient information to specify a protein's correct native fold, since denatured, reduced ribonuclease A spontaneously refolded to its correct disulfide pairing and recovered activity.CDisulfide bonds have no influence on ribonuclease A's three-dimensional structure.DProteins fold via exhaustive random sampling of every possible conformation.

Biology

Biology · L5 · Protein Folding and Molecular Chaperones

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Biology · L5 · Protein Folding and Molecular Chaperones

Flowchart8 objects

Biology

Biology · L4 · Bone remodeling balance — mechanical stress and cellular response

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Biology · L4 · Bone remodeling balance — mechanical stress and cellular response

Flowchart9 objects

Biology

Biology · L4 · Hypothalamic-pituitary-target axis

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Biology · L4 · Hypothalamic-pituitary-target axis

Collection5 items

01Biology · L2 · Meet the Plants That Fight Back

02Biology · L2 · Spotting Plant Defenses in the Wild

03Biology · L2 · Simple Plant Defenses Quiz

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Biology

Biology · L2 · Simple Plant Defenses

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Biology · L2 · Simple Plant Defenses

Quiz5 questions

In the amyloid cascade hypothesis, which enzyme complex performs the second, rate-limiting cleavage of APP that releases amyloid-beta42, the more aggregation-prone species?

AAlpha-secretaseBGamma-secretase (containing presenilin as the catalytic subunit)CGSK-3betaDTDP-43

Biology

Biology · L5 · Mechanisms of Neurodegeneration

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Biology · L5 · Mechanisms of Neurodegeneration

Note~175 words · 1 min

Traits and Heredity at a Glance A trait is a feature of a living thing, like eye colour or a skill. Inherited traits are passed down from parents through their genes and are present from birth — practice can't change them. Learned traits, a

Biology

Biology · L2 · Traits and Heredity at a Glance

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Biology · L2 · Traits and Heredity at a Glance

Flashcards9 cards

What is a scientific name made of?1 / 9

A scientific name has two parts: the genus name first, then the species name. This two-part system is called binomial nomenclature — 'binomial' simply means 'two names.'

Biology

Biology · L2 · The Two-Part Scientific Name

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Biology · L2 · The Two-Part Scientific Name

Note~377 words · 2 min

Herd Immunity: Protecting a Whole Community Getting vaccinated protects you as an individual. But it also does something bigger: when enough people in a community are immune to a disease, that disease has a much harder time spreading from p

Biology

Biology · L2 · Herd Immunity: Protecting a Whole Community

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Biology · L2 · Herd Immunity: Protecting a Whole Community

Flowchart8 objects

@openstem

Biology · L1 · Plant Parts We Eat Quiz

Flowchart9 objects

Biology

Biology · L2 · Path of Food Through the Digestive System

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Biology · L2 · Path of Food Through the Digestive System

Flowchart13 objects

Biology

Biology · L5 · PINK1/Parkin Mitophagy Pathway

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Biology · L5 · PINK1/Parkin Mitophagy Pathway

Note~242 words · 1 min

The digestive system Digestion converts food into small, absorbable molecules through two complementary processes: mechanical digestion, which physically breaks food into smaller pieces, and chemical digestion, which uses enzymes to break c

Biology

Biology · L3 · The Digestive System

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Biology · L3 · The Digestive System

Flowchart9 objects

Biology

PARP Inhibitor Synthetic Lethality in BRCA-Mutant Cells

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PARP Inhibitor Synthetic Lethality in BRCA-Mutant Cells

Flowchart11 objects

Biology

Biology · L5 · Auxin-Triggered Aux/IAA Degradation Pathway

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Biology · L5 · Auxin-Triggered Aux/IAA Degradation Pathway

Flowchart9 objects

Biology

Biology · L3 · How Migrating Animals Navigate · flowchart

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Biology · L3 · How Migrating Animals Navigate · flowchart

Note~725 words · 4 min

Musculoskeletal physiology: motor control and bone homeostasis Skeletal muscle and bone are both dynamic tissues under continuous physiological control. Muscle force is graded by how the nervous system recruits motor units and by the contra

Biology

Biology · L4 · Musculoskeletal physiology: motor control and bone homeostasis

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Biology · L4 · Musculoskeletal physiology: motor control and bone homeostasis

Collection5 items

01Biology · L2 · The Transpiration Process

02Biology · L2 · Wilting and Water Balance

03Biology · L2 · Transpiration Quiz

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Biology

Biology · L2 · Transpiration

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Biology · L2 · Transpiration

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