Is a defendant permitted to object to a jury's verdict?

If a defendant has been found not guilty by a jury in a civil case, is he entitled to appeal against the verdict of the jury in his case against the jury? (California, United States of America)

Is there an undue "chilling effect" on the procedural rights of criminal defendants when the jury instructs a criminal defendant to testify before the jury that he will be cross-examined? (California, United States of America)

Does a defendant have an obligation to object to a jury instruction that precluded the jury from independently determining the existence of a peace officer? (California, United States of America)

Does the trial court's instructions to the jury that the jury must conclusively accept the previous jury's finding that defendant's guilt has already been decided? (California, United States of America)

Does a trial court's statement that it does not believe the jury is hopelessly deadlocked give the jury the impression the jury should convict defendant? (California, United States of America)

Is inconsistency in a jury's verdict a valid reason for rejecting a jury verdict? (California, United States of America)

Does a jury's misconduct in a jury trial prejudice a defendant who refused to take the witness stand because the jury did not want to hear from him? (California, United States of America)

Does a jury's misconduct in a jury trial prejudice a defendant who refused to take the witness stand because the jury did not want to hear from him? (California, United States of America)

Can a defendant who objected to an instruction and verdict form referencing a lying-in-wait theory of first degree murder continue to oppose the instruction and the verdict forms? (California, United States of America)

In a dual jury trial where two defendants have admitted extrajudicial statements against one defendant, what is the procedure in which one of the juries is to be excused? (California, United States of America)