Answer:
failure of a pair of homologous chromosomes to separate in meiosis I, failure of sister chromatids to separate during meiosis II, and failure of sister chromatids to separate during mitosis. Nondisjunction results in daughter cells with abnormal chromosome numbers (aneuploidy).
Explanation:
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Answer:
Enzymes are proteins that bind to a molecule, to modify it and lower the energy required to make it react. ( In other words , enzymes are biological catalysts.
Catalysts lower the activation energy for reactions.
In simple terms , The lower the activation energy for a reaction, the faster the rate. )
The activation energy is the energy needed to start a reaction.
Explanation:
Thus enzymes speed up reactions by lowering activation energy.
Answer: Half of the black F2 progeny is expected to be heterozygous.
Explanation: I used a Punnett square to predict the next generations’ alleles.
Answer:
The major factors that affect the rate of photosynthesis are the carbon dioxide levels, water and amount of light. Also Temperature
If any of these are low the rate of photosynthesis would decrease.
