issagirl05
05.02.2021 •
Biology
If the R-group (Variant) changes in structure of an amino acid, what else has changed?
O The type of DNA
O The type of amino acid
O The Carboxyl (Acid) group
O The hydrogen group
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Ответ:
Nucleolus disappears, chromatin condenses into chromosomes, nuclear envelope breaks down, spindle apparatus develops. Once the chromosomes condense, they pair in a process called synapses. The pair of homologous chromosomes is referred to as a tetrad.
Explanation: