How is energy released from molecules to power cellular functions? (1 point
O An ATP molecule releases a phosphate group, forming ADP.
• An ADP molecule adds a phosphate group, forming ATP.
O An ATP molecule adds a phosphate group, forming ADP.
An ADP molecule releases a phosphate group, forming ATP.
An ATP molecule releases a phosphate group, forming ADP.
The correct answer is: An ATP molecule releases a phosphate group, forming ADP.
ATP stands for adenosine triphosphate, which is the primary molecule responsible for storing and transferring energy within cells. ATP consists of three phosphate groups attached to an adenosine molecule. When a cell needs to release energy, one of the phosphate groups is removed from ATP, resulting in the formation of adenosine diphosphate (ADP) and a free inorganic phosphate. This process is called hydrolysis, and it releases energy that can be used to power cellular functions. Therefore, option A is the correct explanation of how energy is released from molecules to power cellular functions.
The correct answer is: An ATP molecule releases a phosphate group, forming ADP.
Why is the common cold virus difficult to cure in humans? (1 point)
• It attacks white blood cells that fight off foreign bodies.
O It is caused by a special type of virus called a retrovirus.
© It is a spherical-shaped virus with many protein receptors.
• It possesses a viral genome that mutates very quickly.
It possesses a viral genome that mutates very quickly.
If a person has high blood pressure, the first step a doctor might take is to prescribe a basic blood pressure medication that helps the kidneys remove sodium and water from the body. How does this medicine work to fix the issue? (1 point)
• It removes blockages, reducing blood pressure.
O It reduces blood volume, reducing blood pressure.
• It decreases the likelihood of clots forming, reducing blood pressure.
•. It improves blood quality, reducing blood pressure.
It reduces blood volume, reducing blood pressure.
Compare types of models. Which model best illustrates the formation of blood cells?
plastic bone
O computer-generated model
photograph of a bone
dissected pig
A photograph of a bone best illustrates the formation of blood cells.
Which important event occurs in the second trimester? (1 point)
• The developing human can begin to move its arms and legs.
• The face of the developing human starts to form.
O The heartbeat of the developing human can be heard via stethoscope.
The developing human starts responding to sounds.