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Edexcel A level Biology Questions and answered 100% Well £5.66   Add to cart

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Edexcel A level Biology Questions and answered 100% Well

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Edexcel A level Biology Molecular phylogeny - Answer-It compares the structure of a particular molecule from different organisms to discover their degree of evolutionary relation. Somatic cell - Answer-A cell in an organism which isn't a gamete. DNA - Answer-Deoxyribose nucleic acid. Car...

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  • April 17, 2024
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  • 2023/2024
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Edexcel A level Biology

Molecular phylogeny - Answer-It compares the structure of a particular molecule from
different organisms to discover their degree of evolutionary relation.

Somatic cell - Answer-A cell in an organism which isn't a gamete.

DNA - Answer-Deoxyribose nucleic acid. Carries the genetic information for cells and
some viruses.

mRNA - Answer-Messenger ribose nucleic acid (single stranded). The product of
transcription.

Speciation - Answer-The process through which a species is created

Sympatric - Answer-Due to reproductive isolation.

Allopatric - Answer-Due to geographical isolation

Niche - Answer-The role an an organism in an ecosystem.

Habitat - Answer-The natural environment in which a species lives.

Biodiversity - Answer-The diversity of plant and animal life in a particular habitat

Ecosystem - Answer-Organisms and their interactions with biotic and abiotic factors.

Carpentered world hypothesis - Answer-People who live in a world with many straight
lines and right angles tend to interpret obtuse and acute angles as right angles.

Muller-Lyer Illusion - Answer-An illusion where a man could be pointing at two different
objects, but depth cues let us know it is the object in the foreground he is pointing to.

Inhibitory synapse - Answer-These are synapses that make it less likely that an action
potential will happen in the post synaptic membrane.

Auxins - Answer-Plant hormones that stimulate growth by causing cells to elongate.

Indoleacetic acid (IAA) - Answer-A specific type of auxin.

Summation - Answer-When the effect of multiple impulses adds up.

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