Which cell structures are present in mature sieve tube cells, but not in mature vessel elements? Select all that apply. smooth endoplasmic reticulum nucleus mitochondria cytoplasm cell wall

What has the most gravitational force? Question 9 options: Two golf balls 8 mm apart Two basketballs 8 mm apart Two ping pong balls 8 mm apart Two bowling balls 8 mm apart

Which statement best describes the data set? Use the data set to answer the question. Correct value: 25 Data set: 30, 17, 27, 21, 32 (Below are the answer choices) •It is accurate but not precise.

Which of the following explains marijuana's apparent effect on reaction time a. Marijuana is a hallucinogenic drug, therefore the time it takes to react is unaffected. b. Marijuana slows physical reaction time

What must people share to be considered a social group?

What is one purpose of ATP molecules in plant and animal cells

When brown iodine is exposed to starch it turns dark purple. In an experiment, you placed a cornstarch and glucose solution within a small plastic bag. Next, you placed the bag in a beaker with water and 10 drops of iodine.

Name classification of matter used in 1800

Which of these is a benefit of using fossil fuels

Thirty-six colonies grew in nutrient agar from 1.0 ml of undiluted sample in a standard plate count. How many cells were in the original sample?

Why is it difficult for most chemical reaction in living things to occur without enzyme?