GNETCS1
🇬🇧
In Inglés
In Inglés
Practique preguntas conocidas
Manténgase al día con sus preguntas pendientes
Completa 5 preguntas para habilitar la práctica
Exámenes
Examen: pon a prueba tus habilidades
Pon a prueba tus habilidades en el modo de examen
Aprenda nuevas preguntas
Popular en este curso
Aprende con fichas
Modos dinámicos
InteligenteMezcla inteligente de todos los modos
PersonalizadoUtilice la configuración para ponderar los modos dinámicos
Modo manual [beta]
Seleccione sus propios tipos de preguntas y respuestas
Otros modos disponibles
Completa la oración
Escuchar y deletrearOrtografía: escribe lo que escuchas
elección múltipleModo de elección múltiple
Expresión oralResponde con voz
Expresión oral y comprensión auditivaPractica la pronunciación
EscrituraModo de solo escritura
GNETCS1 - Marcador
GNETCS1 - Detalles
Niveles:
Preguntas:
447 preguntas
🇬🇧 | 🇬🇧 |
Hold all the genetic information for an organism | DNA molecules |
Provides cells with the information they need to perform tasks that allow an organism to grow, survive and reproduce. | DNA molecules |
SUBDISCIPLINES IN GENETICS: studies the genetic source of certain actions and behaviors in organisms | Behavioral genetics |
Made famous for his study of heredity in pea plants that shaped our understanding of genetics today. | Gregor Mendel |
SUBDISCIPLINES IN GENETICS: studies how an organism forms from a single or multicellular origin upon fertilization to a fully formed organism. | Developmental genetics |
SUBDISCIPLINES IN GENETICS: focus on the stem cell | Developmental genetics |
SUBDISCIPLINES IN GENETICS: shies away from laboratory settings and studies organisms in their natural habitats. | Ecological genetics |
SUBDISCIPLINES IN GENETICS: study of microorganisms | Microbial genetics |
SUBDISCIPLINES IN GENETICS: focuses on the genetic differences in organisms within the same group or population. | Population genetics |
When the two alleles are the same. | Homozygous |
This invention made the discovery and early studies of the cell possible | Compound light microscope |
Invented one of the first prototypes of the microscope. | Zacharias Jansen |
Reported from his observation of a plant cell from a thin slices of cork, he described box like structures, thus the term cell was introduced. | Robert Hooke (1665) |
Responsible for naming cells as they looked like the small rooms that monks lived in called "Cells" | Robert Hooke (1665) |
Dutch microscope maker who reported his discovery of blood cells, sperm cells, and animalcules – which were later found to be bacteria and protozoans | Anton van Leeuwenhoek (1673) |
First to view organism (living things); Used a simple handheld microscope to view pond water and scrapings from his teeth | Anton van Leeuwenhoek (1673) |
Discovered the nucleus | Robert Brown (1833) |
Discovered the living substance within the cell; this was so significant that it led to early development of the cell theory. | Felix Dujardin |
Proponents of the cell theory: concluded that every cell is formed from pre-existing cell. | Rudolf Virchow |
Basic types of cells: first to evolve and were Earth’s sole inhabitants for about the first 1.5 billion years of life on Earth. | Prokaryotic cells |
Basic types of cells: Simplest type; Single circular chromosome; Lack a nucleus or membrane bound nucleus | Prokaryotic cells |
Basic types of cells: Comprise Bacteria and archaea | Prokaryotic cells |
Certain prokaryotes have short projections ______ and long projections called _________. | FIMBRIAE & FLAGELLA |
"Basic types of cells:Fossil evidence indicates that they evolved about 2.1 billion years ago. | Eukaryotic cells |
Extensive network of flattened sacs and tubules. | Endoplasmic reticulum |
Endoplasmic means “__________” | Within the cytoplasm |
Reticulum; Latin for “________”. | Little net |
ER Regions: lacks attached ribosomes | Smooth ER |
ER Regions:make more membrane | Rough ER |
ER Regions:Phospholipids made by enzymes of the ______ ER are inserted into the ER membrane. | Rough ER |
Membranous organelle; stack of flattened sacs | Golgi apparatus |
Serves as a molecular warehouse and finishing factory for products manufactured by the ER | Golgi apparatus |
The name "lysosome" is derived from two Greek words meaning | “breakdown body.” |
Large vesicles that have a variety of functions such as acting as storage organelles in the cell | Vacuoles |
In plants, some _______ have a digestive function similar to that of lysosomes in animal cells | Vacuoles |
Mitochondrion compartments: the narrow region between the inner and outer membranes. | Intermembrane space |
Cytoskeleton: thinnest fiber; also called actin filaments, are solid rods composed mainly of globular proteins called actin | MICROFILAMENTS |
Cytoskeleton: These fibers helps support the cell’s shape and are also involved in cell movements | MICROFILAMENTS |
Cytoskeleton:made of various fibrous proteins. | INTERMEDIATE FILAMENTS |
Cytoskeleton: serves to reinforce cell shape and certain organelles | INTERMEDIATE FILAMENTS |
Cytoskeleton: thickest fiber are straight, hollow tubes composed of globular proteins called tubulins | MICROTUBULES |
Long numerous appendages, limited to one or a few per cell. Both are composed of microtubules. | FLAGELLA |
The cell wall has cell junctions, structures that connect one structure to another called ________ | Plasmodesmata |
In animal tissues cells often adhere, interact and communicate through specialized ________ between them. | CELL JUNCTIONS |
CELL JUNCTIONS: fastens cells together into strong sheets | ANCHORING JUNCTIONS |