Creatinine has a renal clearance of 140 ml/min. Why is this?.

Which of the four nonrenewable energy resources we learned about does not produce carbon emissions?

konstantin123 [22]

Answer:

Explanation:

Nuclear does not leave a Carbon Footprint. The others are all made either hydrocarbons (natural gas and Petroleum) or carbon (coal).

8 0

2 years ago

What is affected by the electrical signal sent by the fourth structure of the reflex arc?(This will be the fifth structure in th

Stells [14]

Answer:

The effector organ is affected by the fourth structure of the reflex arc.

Explanation:

When talking about the reflex arc, we refer to the sequence of events that occur for the body to react to an external stimulus.

In general terms, the peripheric nervous system receives information from a stimulus coming from the external environment. This information is sent to the central nervous system, where it is processed. From the CNS, another signal is sent as a response to the stimulus. This mechanism is known as the reflex arc.

Five elements compose the reflex arc, which are receptors, three types of neurons, and effectors.

There are three types of neurons involved in the mechanism:

• Afferent or sensorial neurons

• Interneurons

• Efferent or motor neurons

Action:

Ascending branch

The stimulus reaches the body and is received by the specialized sensory receptors. Information is received by these receptors and converted from stimuli energy (temperature, pressure, light, etc.) to action potential energy. Afferent neurons, placed in the dermis and epidermis, receive information from receptors, react and send the information to the central nervous system as nerve impulses.

Descending branch

Once the information reaches the central nervous system, it is processed by the interneurons that analyze it before sending a response. Interneurons manage many sensorial signals, evaluate and compare them, and send a motor response.

Efferent neurons receive information from the interneurons and are stimulated to carry these new signals from the central nervous system to the cells of the effector organs. The effector organ can be a muscle or a gland.

Finally, the target tissue responds to the stimulus as a contraction, if it is a muscle, or as hormones release if it is a gland.

8 0

2 years ago

Pead this passage

kozerog [31]

B is the answer hopefully is accurate

3 0

3 years ago

Read 2 more answers

Which experment would most likely contain bias?

padilas [110]

Bias is defined as any tendency which prevents unprejudiced consideration of a question. In research, bias occurs when “systematic error [is] introduced into sampling or testing by selecting or encouraging one outcome or answer over others”.

5 0

3 years ago

As a molecule moves through the plasma membrane it passes through a hydrophobic layer of phospholipid tails then a hydrophilic l

Firdavs [7]

Answer:

"As a molecule moves through the plasma membrane it passes through a hydrophilic layer of phospholipid heads then a hydrophobic layer of phospholipid tails and then another hydrophilic layer of phospholipid heads".

Explanation:

Biological membranes are formed by two lipidic layers, proteins, and glucans.

Lipids characterize for being amphipathic molecules, which means that they have both a hydrophilic portion and a hydrophobic portion at the same time. These molecules have a lipidic head that corresponds to a negatively charged phosphate group, which is the polar and hydrophilic portion. They also have two lipidic tails that correspond to the hydrocarbon chains -the apolar and hydrophobic portion- of the fatty acids that esterify glycerol.

Membrane lipids are arranged with their hydrophilic polar heads facing the exterior and the interior of the cells, while their hydrophobic tails are against each other, constituting the internal part of the membrane.

Through this lipidic bilayer, some molecules can move from one side of the cell to the other, which happens because of concentration differences. When this occurs, molecules must pass through the hydrophilic layer of phospholipid heads then through the hydrophobic layer of phospholipid tails and then again through another hydrophilic layer of phospholipid heads.

3 0

3 years ago