This topic contains a solution. Click here to go to the answer

Author Question: As fruit ripens, the pectic substances undergo the following sequence of changes: (1) ... (Read 56 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
As fruit ripens, the pectic substances undergo the following sequence of changes:
 
  (1) protopectin, pectin, pectinic acid, (2) pectic acid, protopectin, pectinic acid, (3) protopectin, pectinic acid, pecturonic acid (4) protopectin, pectin, pectic acid, (5) pectic acid, pectin, protopectin.

Question 2

Odor is perceived through
 
  (1) epithelium, (2) gustatory cells, (3) olfactory cells, (4) papillae, (5) tongue.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mceravolo

  • Sr. Member
  • ****
  • Posts: 349
Answer to Question 1

4

Answer to Question 2

3




mceravolo

  • Sr. Member
  • ****
  • Posts: 349

 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

For a complete list of videos, visit our video library