Write an essay on the importance of movement in living organisms

Write an essay on the importance of
movement in living organisms
Write an essay on the importance of movement in living organisms - correct answer--Meiosis
-Protein synthesis
-Gas exchange
-Transport across the cell membrane

Meiosis - correct answer-Importance: formation of gametes for reproduction

FIRST DIVISION
-homologous chromosomes pair up and their chromatids wrap around each other
-homologous pairs separate
-one chromosome from each pair goes into each daughter cell

SECOND DIVISION
-chromatids move apart
-four cells would've formed

Protein synthesis - correct answer-Importance: makes up a new amino acid sequence that
codes for new proteins

TRANSCRIPTION
-process of making pre-mRNA
-enzyme acts on a region of DNA which causes the two strands to separate and nucleotide
base sequence to be exposed
-DNA polymerase joins a template strand and their complementary nucleotides together to
form pre-mRNA

SPLICING OF PRE-MRNA
-splicing of pre-mRNA to from mRNA

TRANSLATION
-formation of polypeptide
-ribosome becomes attached to the starting codon of mRNA molecule
-tRNA with complementary anti-codon pairs with the codon on mRNA
-synthesis of polypeptide carries on until it reaches the stop codon

Gas exchange in humans - correct answer-Importance: to maintain diffusion of gases, air is
moved in and out

INSPIRATION
-external intercostal muscle contract while internal intercostal muscle relax
-ribs move upwards and outwards to increase volume of the thorax
-diaphragm muscles contract and flatten which increase the volume of the thorax