Answers

KD

Answered

Ion movement across the plasma membrane creates an electrical charge difference known as ________.

A) membrane potential
B) extracellular glycocalyx
C) respiration
D) transcription
E) osmosis

On Jul 11, 2024


A
KD

Answered

Which statement with regard to pore spaces is false ?

A) Minerals are removed from soil via leaching.
B) Water is held in the smaller pores, and air is found in the larger pores.
C) They occupy approximately 50% of a soil's volume.
D) They typically contain more carbon dioxide than found in the atmosphere.
E) Immediately after a heavy rain, most pore spaces remain filled with air.

On Jul 08, 2024


E
KD

Answered

Varicose veins

A) A bulge (a weak spot) in the artery wall
B) Degenerative changes in arteries
C) An overstretching of the veins of the lower extremities
D) Inflammation of the veins
E) Small vessels that supply nutrients to large arteries

On Jun 16, 2024


C
KD

Answered

In plants, sporogenous cells divide by mitosis to form spores.

On Jun 09, 2024


False
KD

Answered

This tissue supports rapidly growing plant parts; its pectin offers flexibility.

A) parenchyma
B) collenchyma
C) sclerenchyma
D) xylem
E) phloem

On Jun 05, 2024


B
KD

Answered

Which genetic disorder is associated with a defect in the elastic connective tissue protein called fibrillin?

A) Marfan syndrome
B) Huntington disease
C) sickle cell disease
D) phenylketonuria (PKU)
E) cystic fibrosis (CF)

On May 12, 2024


A
KD

Answered

Complete the following table of exteroreceptors.
Sensory Receptor \quad\quad\quad\quad\quad\quad Stimulus      ~~~~~      Category      ~~~~~      Sense
Taste cells
Olfactory cells
Rods and cones in retina
Hair cells in spiral organ
Hair cells in semicircular canals
Hair cells in vestibule

On May 08, 2024


The completed table should look like this:
 Sensory Receptor  Stimulus  Category  Sense  Taste cells  Chemicals  Chemoreceptors  Taste  Olfactory cells  Chemicals  Chemoreceptors  Smell  Rods and cones in retina  Light rays  Photoreceptors  Vision  Hair cells in spiral organ  Sound rays  Mechanoreceptors  Hearing  Hair cells in semicircular canals  Motion  Mechanoreceptors  Rotational equilibrium  Hair cells in vestibule  Motion  Mechanoreceptors  Gravitational equilibrium \begin{array} { l l l l } \text { Sensory Receptor } & \text { Stimulus } & \text { Category } & \text { Sense } \\\text { Taste cells } & \text { Chemicals } & \text { Chemoreceptors } & \text { Taste } \\\text { Olfactory cells } & \text { Chemicals } & \text { Chemoreceptors } & \text { Smell } \\\text { Rods and cones in retina } & \text { Light rays } & \text { Photoreceptors } & \text { Vision } \\\text { Hair cells in spiral organ } & \text { Sound rays } & \text { Mechanoreceptors } & \text { Hearing } \\\text { Hair cells in semicircular canals } & \text { Motion } & \text { Mechanoreceptors } & \text { Rotational equilibrium } \\\text { Hair cells in vestibule } & \text { Motion } & \text { Mechanoreceptors } & \text { Gravitational equilibrium }\end{array} Sensory Receptor  Taste cells  Olfactory cells  Rods and cones in retina  Hair cells in spiral organ  Hair cells in semicircular canals  Hair cells in vestibule  Stimulus  Chemicals  Chemicals  Light rays  Sound rays  Motion  Motion  Category  Chemoreceptors  Chemoreceptors  Photoreceptors  Mechanoreceptors  Mechanoreceptors  Mechanoreceptors  Sense  Taste  Smell  Vision  Hearing  Rotational equilibrium  Gravitational equilibrium 
KD

Answered

Which of the following is NOT involved in short-term regulation of blood pressure?

A) Baroreceptor reflex
B) Adrenal medullary mechanism
C) Alteration in blood volume
D) Chemoreceptor mechanism

On May 05, 2024


C
KD

Answered

Which muscle can be seen on the lateral thigh?

A) vastus medialis
B) rectus femoris
C) adductor muscles
D) iliotibial muscle

On May 01, 2024


D
KD

Answered

What problems would occur if an individual were to tear their biceps brachii?

A) They would be unable to flex the forearm.
B) They would be unable to extend the forearm.
C) They would be unable to abduct their arm.
D) They would be able to curl their fingers.
E) All of the answer choices could not be performed.

On Apr 28, 2024


A