In prophase 1:
Chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears.
In metaphase 1:
The pairs of chromosomes (bivalents) become arranged on the metaphase plate and are attached to the now fully formed meiotic spindle. The centrioles are at opposite poles of the cell.
Answer:
4. Molecules are groups of atoms that have chemically bonded together.
5. Groups of different types of cells make up the organs
6. Glucose is a type of chemical reaction, and the overall metabolism of an organism includes thousands of chemical reactions.
7. Yes, The smooth functioning of a complex organism is the result of all it various parts working together.
Hope this helped!
Chemosynthesis relies on which energy source? (1 point)
Olight
O thermal
O nuclear
O chemical
Answer- chemical
It is important because they are used to produce sugar during the dark reaction
