SB1 Flashcards

1
Q

Animal cell Structures

A

cell membrane, cytoplasm, nucleus, mitochondria, ribosomes

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2
Q

Plant Cell Structures

A

cell membrane, cytoplasm, nucleus, ribosome, mitochondria, cell wall, vacuole, chloroplast

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3
Q

What are Eukaryotic Cells? add example

A

Eukaryotic cells are cells with a nucleus. Plant and Animal cells are examples of these.

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4
Q

What is a prokaryotic cell? Give example

A

A prokaryotic cell is a cell without a nucleus. example- Bacteria cell

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5
Q

What is a specialised cell

A

A cell that has features which enable it to do its job.

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6
Q

Bacteria Cell structures

A

Flagellum, cell wall, cell membrane, chromosomal DNA, plasmids, cytoplasm-contains ribosomes

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7
Q

Stages of mitosis in order

A

Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytoklenisis

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8
Q

What type of cell division is used to replace old cells?

A

mitosis

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9
Q

Whaat does mitosis produce

A

2 genetically identical daughter cells with a diploid nucleus

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10
Q

Does cell elongation happen in plants, animals or both?

A

only in plants

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11
Q

Do both animal and plant cells retain the ability to differentiate throughout their life?

A

no, only plant cells do

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12
Q

What name is given to animal cells with the capacity to differentiate into a specialised cell?

A

stem cells

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13
Q

where can stem cells be found

A

in adult humans, in embryos and bone marrow

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14
Q

A bone marrow cell has the ability to change into other types of cell. What name is given to this type of cell?

A

stem cell

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15
Q

What is the word for a change in the environment that a receptor cell responds to?

A

a stimulus

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16
Q

What is the name of the system that enables humans to react to their environment?

A

CNS central nervous system

17
Q

What is the name of the junction between two neurones?

A

a synapse

18
Q

What stimulus is a receptor in the eye sensitive to?

A

light stimuli

19
Q

what can effectors be?

A

Glands or Muscles

20
Q

What plant tissue located at the tips of roots and shoots will differentiate into different plant cells?

A

meristems