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zygote a new diploid cell which is a result of an egg cell fertilized by sperm cell. cells - tissues- organs-systems organization levels of any body system it allows communication between body parts role of nervous system in the body there are millions of possible combinations of amino acids to form protein How can many different types of proteins be produced from 20 amino acids? biodiversity collection and variety of living things in an ecosystem. tropical rainforest the biome that has the greatest biodiversity it transport large molecules across the cell membrane function of protein channels in the cell membrane nucleotide the basic units of nucleic acid amino acid basic units of proteins carbon molecule that is present in all living things sperm cell and egg cell cells in humans which are formed by the process of meiosis n=42 What is the number of chromosome in the gametes of an organism if it has a chromosome number of 2n=84? pollination method of reproduction used by plants 50% A sperm fertilized an egg. What is the probability that the zygote is male? lungs organ where oxygen and carbon dioxide exchange in the respiratory system chromosomes it contains genetic material for the cell mitochondria the organelle that converts the chemical energy in glucose to energy that could be used by cells. 23 chromosomes Your normal cells have 46 chromosomes.How many chromosomes are there in your gametes? gametes combine during fertilization to form a new diploid cell which will further develop into a new organism. Why do cells produced by meiosis haploid ? herbivores (e.g. grazing animals such as cows, goats, etc.) Grassland better support what type of consumer? nucleus Which structure can you find in eukaryotes but not in prokaryotes? codon a group of three nucleotide bases. thymine(T), adenine(A), cytosine(C), guanine(G) the nucleotide bases of DNA uracil(U), adenine(A), cytosine(C), guanine(G) the nucleotide bases of RNA 5 codons How many codons are there in the given DNA sequence? ( A T C A A A G G T C G C T G A)