Answer:
Girls have two X chromosomes and boys have chromosomes (XY).
Explanation:
Girls have two X chromosomes (XX), and boys have one X and one Y chromosome (XY). Whether a baby will be a boy or a girl is determined at the time of conception.
Glycolysis is the metabolism of glucose into pyruvate and ATP. It occurs in all organisms and its steps are independent of molecular oxygen.
Therefore, all of the statements apply except "happens only in animal cells"
Answer: simple inorganic molecules to sugar
Explanation:
Through the process of photosynthesis plants use the green coloured pigment named chlorophyll present in their leaves to trap sun light (solar energy) alongside other simple inorganic molecules like atmospheric carbon dioxide and water to produce sugar molecules (usually glucose) which is later stored as starch.
Answer: The answer is C
Explanation:
After each PCR cycle, the amount of DNA does not increase in a linear manner
Before puberty, children do have an estrogen level in their body. This is only truly noticeable around the time of puberty. It's always there, but not hyperactive until puberty.