Cell Biology Flashcards

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1
Q

Mitosis

A

Division of the nucleus

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2
Q

Cytokinesis

A

Division of the cytoplasm

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3
Q

Apoptosis

A

During this process, the cell goes through a typical series of events that bring about its destruction

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4
Q

Chromatin

A

Thin threads, extremely compact strand of DNA

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5
Q

Chromatid

A

Replicated strands of chromatin become chromatid

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6
Q

Chromosomes

A

Carries the DNA of the cell

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7
Q

Haploid

A

Sperm and egg cells (Half the number of chromosomes)

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8
Q

Diploid

A

Two pairs of each chromosome

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9
Q

Glycolipids contain

A

Carbohydrates and protein

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10
Q

Pumps in active transport are made of

A

Proteins

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11
Q

NA+ movement across the membrane is done through…

A

Active transport

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12
Q

Homologues

A

Members of the pairs of chromosomes

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13
Q

Binary FIssion

A

A form of asexual reproduction

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14
Q

Steps of Binary Fission

A

DNA replicates
Cell lengthens
two chromosomes separate and the cell divides
two resulting bacteria are identical

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15
Q

Cytokensis in animal vs plant cells

A

In animal cells is accomplished by furrowing

In plant cells involves the formation of a cell plate

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16
Q

Cell plate

A

Collection of vesicles which move along microtubules

17
Q

Meiosis 1

A

Homologues chromosomes pair and then separate

Each daughter nucleus recieves one member from each pair of chromosomes

18
Q

Meiosis 2

A

Results in four haploid daughter cells and each chromatid is now a chromosome

19
Q

Nondisjunction

A

The failure of homologues chromosomes to separate during anaphase 1 or the failure of sister chromatids to separate during anaphase 2

20
Q

ATP

A

A nucleotide composed of the nitrogen-containing base adenosine and 5 carbon ribose sugars

21
Q

Coupled reactions

A

The energy released by an exergonic reaction is used to drive an endogenic reaction`

22
Q

Basic features cells share:

A

Cell membrane
Nucleic acid
Cytoplasm
Ribosomes

23
Q

Cell Membrane

A

Isolate cells contents from outside environment