all Flashcards

1
Q

A specialized structure within a cell that performs a specific function

A

organelle

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2
Q

: A thin, flexible barrier that surrounds the cell and regulates the movement of substances in and out of the cell.

A

cell membrane

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3
Q

The control center of the cell that contains the cell’s DNA and directs the cell’s activities.

A

Nucleus

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4
Q

The fluid-like substance inside the cell where various organelles are suspended.

A

cytoplasm

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5
Q

Organelles responsible for producing energy through cellular respiration.

A

mitochondria

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6
Q

A network of membranes that transport proteins and other molecules within the cell.

A

endoplasmic reticulum

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7
Q

An organelle involved in modifying, sorting, and packaging proteins for transport within the cell or secretion outside the cell.

A

golgi apparatus

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8
Q

A small organelle responsible for protein synthesis.

A

ribosomes

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9
Q

: Organelles containing enzymes that break down waste materials and cellular debris.

A

Lysosomes

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10
Q

: A storage organelle that stores water, nutrients, and waste materials.

A

vacuoles

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11
Q

An organelle found in plant cells responsible for photosynthesis and containing chlorophyll.

A

chloroplast

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12
Q

A rigid outer layer found in plant cells that provides support and protection

A

cell wall

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13
Q

A network of protein filaments that give shape, support, and allow for movement within the cell.

A

cytoskeleton

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14
Q

Small membranous sacs that transport and store various substances within the cell.

A

vesicle

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15
Q

Cylindrical structures involved in cell division and the formation of the spindle fibers.

A

centriole

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16
Q

Deoxyribonucleic acid, the molecule that carries genetic information in all living organisms

A

DNA

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17
Q

The process by which the genetic information stored in DNA is copied into RNA.

A

Transcription

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18
Q

Ribonucleic acid, a molecule involved in various biological processes, including protein synthesis

A

RNA

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19
Q

The basic building block of nucleic acids, consisting of a sugar, a phosphate group, and a nitrogenous base.

A

nucleotides

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20
Q

The strand of DNA that serves as a template for RNA synthesis during transcription

A

template strand

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21
Q

Non-coding regions within a gene that are transcribed into pre-mRNA but are later removed during RNA processing.

A

introns

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22
Q

: Coding regions within a gene that are transcribed into pre-mRNA and are retained in the final mRNA molecule

A

exons

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23
Q

Organic compounds that are the building blocks of proteins.

A

amino acids

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24
Q

A chain of amino acids joined together by peptide bonds, which forms the basis for protein synthesis

A

polypeptide

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25
Cells were first recorded by
Robert Hooke around 1665
26
s were a contributor on the discovery of the cell. The two are known for their invention the compound optical microscope.
Zacharias Janssen and Hans
27
When he looked at a thin slice of cork under his microscope, he saw that the cork was made-up of many tiny units’ room like structure, he saw tiny little shapes that looked like little rooms with walls around each of them
robert hooke
28
was the first to state that cells are the building blocks of all plants and that an embryonic plant arose from one single cell.
Matthias Jakob Schleiden
29
‘Omnis cellula e cellula means
that new cells come from already existing cells
30
Referring to a type of cell that lacks a nucleus and other membrane-bound organelles
prokaryotic
31
Referring to a type of cell that contains a nucleus and other membrane-bound organelles.
eukaryotic
32
group of cells with similar structures and functions
plant tissues
33
covers the surface of the plant
epidermis
34
cells or group of cells that have the ability to divide
meristematic
35
thin walled cells with large central vacuoles it is for photosynthesis, storage, and support
parenchyma
36
Cells with unevenly thickened cell walls it is for flexibility and support
collenchyma
37
cells with thick lignified walls offers strength and protection dead upon maturity
schlerenchyma
38
Composed of vessel elements, tracheids, fibers, and parenchyma cells transports water and minerals from shoots to roots
xylem
39
it conducts food form leaves to all parts of the plant
phloem
40
This phase is often referred to as the "growth phase
G1
41
it involves the replication of DNA
S
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. The cell continues to grow, and any remaining proteins, RNA, or other molecules needed for cell division are synthesized.
G2
43
lines, covers, and protect other tissues and organs
epithelium
44
squamous, cuboidal, columnar
epithelium
45
cells very thin much wider than they are thick
squamous epithelium
46
lining of blood vessesls, heart, treachea and lymphatic tubes
simple squamous epithelium
47
skin, vagina, esophagus, mouth
stratified squamous epithelium
48
„Elongated cells, much longer than they are wide
columnar epithelium
49
A single layer of cells that line the digestive tract, gallbladder and excretory ducts of some glands
simple columnar epithelium
50
Lines the bronchi, trachea, uterine tubes and some of the uterus
ciliated columnar epithelium
51
Characterized by the cells widely separated from each other in a matrix that is produced by the cells.
connective tissue
52
Gel like ground with both elastic and nonelastic fibers running though the ground in many directions.
loose connective tissue
53
Function as storage cells for adipose
adipose
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Ground of matrix is gum like
cartilagev
55
Ground of matrix is Solid (Calcium carbonate).
bone
56
Tissue with cells having fibers specialized for contraction
muscle tissue
57
Parallel elongated cells (fibers) ƒ multinucleated and each cell is the length of the muscle.
skeletal muscle
58
Organized into sheets of muscle.
smooth muscle
59
Intercalated disc ƒ Myogenic ƒ branched
cardiac muscle
60
Cells specialized to polarize and depolarize
nervous tissue