Immune System
Chemistry of Life
Macromolecules
The Cell
Microbiology
100

This type of immune protein is found in blood plasma and matches with an antigen

Antibody

100

This element is the most abundant element in the human body

Oxygen

100

This type of carbohydrate is very simple

Monosaccharide

100
This type of cell is small, simple and lacks organelles

Prokaryotic cells

100

This structural feature distinguishes Gram-positive from Gram-negative bacteria

The thickness of the peptidoglycan layer in the cell wall

200

These chemical and physical barriers make up the body’s first line of defense against pathogens.

Skin and mucous membranes

200

These two components make up the nucleus of an atom

Protons and Neutrons

200

This type of reaction merges two glucose molecules to maltose and produces water

Dehydration reaction

200

This structure encloses all types of cells

Plasma membranes

200

Unlike aerobes, these organisms can live without oxygen

Anaerobes

300

This organ system is involved in both innate and adaptive immunity

Lymphatic system

300

The second electron shell of an atom can at a maximum hold this many electrons

8

300
This type of molecule has 3 fatty acid tails

Fat molecule (triglyceride)

300

These structures found in a cell can break down food or broken organelles

Lysozymes

300

This group of prokaryotes has molecular and genetic features more similar to eukaryotes than to bacteria.

Archaea

400

These two types of white blood cells represent the integral part of the innate immune system

Macrophages and Neutrophiles

400

This bond is very strong and uses shared electrons

Covalent Bond

400

These chemical interactions are responsible for the formation of secondary structures in proteins

Hydrogen bonds

400

These structures are the main component of cilia and flagella

Microtubules

400

All viruses consist of these two basic components

Protein capsid and genetic material (DNA or RNA)

500

The adaptive immune system generates these long-lived effector cells that enable a faster response upon re-exposure to a pathogen.

Memory B cells and memory T cells

500
This type of ion is specifically abundant at low pH

H+

500

A peptide bond is formed by the reaction of these two functional group in amino acids

Carboxyl group and Amino group

500

This organelle, composed of stacks of flattened membranous sacs, modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles

Golgi Apparatus

500

This metabolic lifestyle uses photons for energy and carbon dioxide as the carbon source.

Photoautrophy