BIO101T Wk 5 – Exam #5: Evolution Unit

Birds and insects both have wings, but we do not consider this similarity as evidence of relatedness because • insect wings are vestigial. • there is no fossil link between these groups. • bird wings, but not insect wings, function on the physics principles of lift. • they did not evolve in the same region […]

BIO101T Wk 4 – Exam #4: Genetics Unit

Humans have two sex chromosomes that are named based on their shape. Males have (a) _____ and females have (a) _____. • two X chromosomes; two Y chromosomes • X and Y chromosome; two X chromosomes • two Y chromosomes; two X chromosomes • two X chromosomes; X and Y chromosome During gene therapy, bone […]

BIO101T Wk 3 – Exam #3: Climate Change Unit

In what way is new technologies beneficial as we work to mitigate climate change? • The long-term effects of some technological solutions may be unknown. • The public often needs to be convinced of long-term changes to their way of life. • Technologies that require large-scale implementation require more funding than may be available. • […]

BIO101T Wk 2 – Exam #2: Cancer Unit

Angiogenesis contributes to carcinogenesis because it • causes apoptosis in tumor cells. • allows tumor cells to spread to other parts of the body. • causes additional mutations to occur in tumor cells. • causes blood vessels to grow into the tumor. • allows tumor cells to invade underlying tissues. Rebecca found out that she […]

BIO101T Wk 4 Discussion – Sickle Cell Disease Unit (Genetics and DNA Biology)

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to classmates or your faculty member.   Due Thursday Respond to the following in a minimum of 175 words: This week you will learn about genetics, including how genes function and malfunction. Select a common genetic mutation described […]

BIO101T Wk 1 – Exam #1: Energy Drink Unit

Which of the following statements best describes the effects of caffeine on the body? • Caffeine cannot readily cross the plasma membrane into body cells, so all effects are short-lived. • In the brain, caffeine activates receptors for adenosine and blocks the action adrenaline. • Caffeine is considered a psychoactive drug because it changes brain […]

BIO101T Wk 1 Discussion – Energy Drink Unit (Energy and Diet)

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to classmates or your faculty member.   Due Thursday This week you will learn about how energy transfers to cells in living organisms. All living things rely on some form of a nutrient source to get energy/fuel. Respond to the following […]