The plant hormone that promotes the formation of abscission layers and fruit ripening is: MCQ with Answer and Explanation

Explanation:
DNA replication is semi-conservative, meaning each new DNA molecule contains one original parental strand and one newly synthesized strand. Transcription, the synthesis of mRNA from a DNA template, occurs in the nucleus of eukaryotes, not the cytoplasm. Translation, the synthesis of proteins from mRNA, occurs at ribosomes in the cytoplasm or on the rough ER. Thus, statements 1 and 3 are correct.

Explanation:
The Golgi apparatus consists of flat, disc-shaped cisternae and is primarily involved in the packaging, modification, and secretion of materials (proteins and lipids) synthesized in the ER. It has a cis face (forming face) near the ER and a trans face (maturing face) directed towards the plasma membrane.

Explanation:
The urinary bladder is a muscular sac that temporarily stores urine received from the kidneys via the ureters, until micturition. The urethra drains urine to the exterior.