BSC 1005 - Exam 1 (Chapter 1-3)
questions n answers A+ rated
Scientists believe that the first prokaryotes arose _______ years ago, and the first eukaryotes
arose _____ years later. - correct answer ✔✔*3.5 billion
*1.7 billion
If life on Mars is fundamentally like life on Earth, then it's macro-molecules will be based on
which element? - correct answer ✔✔Carbon
Mitochondria cover food energy into high-energy molecule that is directly usable by the cell
_____. - correct answer ✔✔ATP.
Enzymes are ______. - correct answer ✔✔Proteins
Assume that a plant is suffering from a drought and is starting to wilt. Which cell component is
most likely being affected? - correct answer ✔✔Vacuole
What are features of all living things? - correct answer ✔✔*Growth
*Homeostasis
*Metabolism
Which organelle is represented by a network of membranes involved in the production of
proteins? - correct answer ✔✔Endoplasmic reticulum
What is the pH balance of a neutral solution? - correct answer ✔✔7
, What is the pH when it is greater than 7? - correct answer ✔✔Basic
What is the pH when it is lower than 7? - correct answer ✔✔Acidic
What are reasons we need water? - correct answer ✔✔*It delivers nutrients to body cells.
*It carries waste products of digestion
*It maintains blood pressure.
Describe the role of nutrients in the body. - correct answer ✔✔Nutrients provide the structural
units and energy for cells.
What is a major difference between saturated and unsaturated fats? - correct answer
✔✔Unsaturated fats contain carbon-to-carbon double bonds, but saturated fats do not.
Nutrients that the human body requires in large quantities are called ______. - correct answer
✔✔Macronutrients
Excess carbohydrates are stored in humans as ______. - correct answer ✔✔Glycogen in the
muscles and liver.
What do vitamins in the human body do? - correct answer ✔✔Help enzymes function properly.
To lose one pound in a week, what do you need to do? - correct answer ✔✔Reduce caloric
intake by 200 calories per day & increase exercise to burn off 300 more calories per day.
How many liters are water does an adult need per day? - correct answer ✔✔3 liters
questions n answers A+ rated
Scientists believe that the first prokaryotes arose _______ years ago, and the first eukaryotes
arose _____ years later. - correct answer ✔✔*3.5 billion
*1.7 billion
If life on Mars is fundamentally like life on Earth, then it's macro-molecules will be based on
which element? - correct answer ✔✔Carbon
Mitochondria cover food energy into high-energy molecule that is directly usable by the cell
_____. - correct answer ✔✔ATP.
Enzymes are ______. - correct answer ✔✔Proteins
Assume that a plant is suffering from a drought and is starting to wilt. Which cell component is
most likely being affected? - correct answer ✔✔Vacuole
What are features of all living things? - correct answer ✔✔*Growth
*Homeostasis
*Metabolism
Which organelle is represented by a network of membranes involved in the production of
proteins? - correct answer ✔✔Endoplasmic reticulum
What is the pH balance of a neutral solution? - correct answer ✔✔7
, What is the pH when it is greater than 7? - correct answer ✔✔Basic
What is the pH when it is lower than 7? - correct answer ✔✔Acidic
What are reasons we need water? - correct answer ✔✔*It delivers nutrients to body cells.
*It carries waste products of digestion
*It maintains blood pressure.
Describe the role of nutrients in the body. - correct answer ✔✔Nutrients provide the structural
units and energy for cells.
What is a major difference between saturated and unsaturated fats? - correct answer
✔✔Unsaturated fats contain carbon-to-carbon double bonds, but saturated fats do not.
Nutrients that the human body requires in large quantities are called ______. - correct answer
✔✔Macronutrients
Excess carbohydrates are stored in humans as ______. - correct answer ✔✔Glycogen in the
muscles and liver.
What do vitamins in the human body do? - correct answer ✔✔Help enzymes function properly.
To lose one pound in a week, what do you need to do? - correct answer ✔✔Reduce caloric
intake by 200 calories per day & increase exercise to burn off 300 more calories per day.
How many liters are water does an adult need per day? - correct answer ✔✔3 liters
