Answer:
Anther contain saclike structure called microsporangia that have micrspores mother cells that develop in to male gametophyte
Explanation:
Sporangia cosist of microspores mother cells and megaspores mother cells in land plant that develops in to male and female gametophyte respectivelly. Then latter on the male gametophyte gie rise to male gametes and female gmetophyte give rise to female gametes and after fusion of the gametes an other gametophyte is arise which give rise to sporophyte and thr sporophyte give rise to gametophtye which is called alternation of generation.
Answer:
Humans affect the carbon cycle by burning fossil fuels and cutting down trees. Car exhausts and factory emissions produce a lot more CO2 in the atmosphere!
Explanation:
HOPE THIS HELPS:)
Answer:
propose is the correct answer
I believe it's polymerase chain reaction (PCR)
Answer:
Myosin heads form crossbridges with actin.
Explanation:
This binding only occurs after tropomyosin is removed from the binding site on actin following a conformational change of tropomyosin in response to Ca2+ binding to troponin.