Answer:
Megaspore—2n.
Explanation:
Angiosperms are the fruit bearing plants and reproduce by the process of sexual reproduction. The chromosome number are specific at each stage of the cell cycle of the angiosperms.
Microspores , egg are haploid. Zygote is diploid in nature. Megaspores get germinate into the female gametophytes and these are haploid in nature. Megaspores are also haploid in angiosperms.
Thus, the correct answer is option (b).
<span>An area at the rear of the frontal lobes that controls voluntary movements is called the motor cortex. The correct option among all the options that are given in the question is the third option or option "C". The other choices are incorrect. I hope that this is the answer that has actually come to your help.</span>
For number 3, Queen Victoria's children and Queen Elizabeth II's descendants are Edward VII, George V, George VI
for number 4, the descendants of Philip of Greece are Alice, Victoria of Hesse, Alice of battenburg
Wind because the wind does not affect animals as much as water trubines
Answer:
The inner mitochondrial membrane thus represents the principal site of ATP generation, and this critical role is reflected in its structure. Otherwise, the inner membrane is impermeable to most ions and small molecules—a property critical to maintaining the proton gradient that drives oxidative phosphorylation.
Explanation: