What is the main difference between a cell nucleus and a nucleoid?

A.

size of the organelle

B.

arrangement of the cytoskeleton

C.

movement of the flagella

D.

presence or absence of a surrounding membrane

Which of the following has the greatest effect on endangered species populations? Commercial shipping lanes Fisheries management zones Oil rigs Wind turbines

A tomato breeder has noticed that a hybrid is not attracting pollinators to its flowers. What genetic change may have occurred in this hybrid? What does that mean for the long-term survival of the hybrid?

Which cellular dysfunction is responsible for the manifestations of cystic fibrosis? abnormal chloride channel proteins allow increased sodium and water reabsorption. thickened peripheral proteins bind with phospholipids to block water absorption.

Which variable is measured in an experiment

Drag the tiles to the correct boxes to complete the pairs. Match the gradients with their nomenclatures.

The nucleolus of the cell is found within the a. chromosomes. b. nucleus. c. Golgi apparatus. d. endoplasmic reticulum.

What sense is not routed through the thalamus?

What are the three sections of the large intestine and what roles does each play in digestion or absorption?

During high intensity exercise, lactate can be converted to which substance via the cori cycle?

Which field of anthropology studies human characteristics including hair color, height, skin color and brain size?