Which of the following answer choices best describes the characteristics of parenchyma, collenchyma, and sclerenchyma plant tissues?

True or False: the pH of a solution that contains 1.0 x 10-8 M H3O+ ions is 1.00.

True or False: exposure to gamma radiation on the skin can cause irritation similar to a sunburn.

True or False: in the balanced nuclear reaction below, the unknown species (i.e., XXX) is an alpha particle. 87Rb

The half-life for radioactive isotope “Y” is 11 days.  If a patient receives 112 mg of “Y”, how many days will it take for the radioactive dose to decay to 1.75 mg?

True or False: a chemical system made of NH4+ and NH3 is a buffer.

True or False: in the balanced nuclear reaction below, the unknown species (i.e., XXX) is an gamma ray. 235U

A scientist wants to develop a genetically modified tree that already produces large female cones, where the seeds are protected in dormancy until fertilized by sperm coming from softer male cones. What plant category would be a good place to select a tree from so that it will already have these features?

Which of the following is not a type of plant tissue?

This field of study lies within the field of botany and focuses on various plant shapes and structures that make up lifeforms.