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The first insights into the chemical nature of plasma membranes date back to __________

The first insights into the chemical nature of plasma membranes date back to __________ Correct Answer 1890

The first insights into the chemical nature of cell membrane came from Ernst Overton of the University of Zürich during the 1890s. He stated that a substance entering the cell would first have to dissolve in the boundary layer of the cell.

Related Questions

The different variant of Date() constructor to create date object is/are ___________ i. new Date(date) ii. new Date(milliseconds) iii. new Date(date string) iv. new Date(year, month, date)
Shaurya went for a trekking trip. During the trek he accidently placed his hand on the bush. He felt the sting and his hand started itching. The instructor immediately took a leaf of one of the plants, crushed it and rubbed it on the affected area. What could be the nature of the chemical which caused sting and nature of the leaf respectively?  Nature of chemical which cause sting Nature of juice in the leaf
Which of the following statements is/are correct?
1. A crossing of the International Date Line entails repeating one day when traveling westwards
2. A crossing of the International Date Line entails repeating one day when traveling eastwards
3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian
4. International Date Line divides the Pacific Ocean into two equal parts.
Bharat Electronics purchases plasma TVs in bulk for Rs. 60,000 each. However, the price marked on a plasma TV in Bharat Electronics showroom is Rs. 63,000. How much profit does Bharat Electronics make on Plasma TVs if they are always selling TVs at the maximum retail price?
Given the following schema: employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id) You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query: SQL>SELECT last-name, hire-date FROM employees WHERE (dept-id, hire-date) IN (SELECT dept-id, MAX(hire-date) FROM employees JOIN departments USING(dept-id) WHERE location-id = 1700 GROUP BY dept-id); What is the outcome?
Which of the following is true regarding the metallic nature of minerals? I. Metallic nature is directly proportional to electropositive nature. II. Metallic nature in period increases. III. Metallic nature in groups increases.
Which of the following statements is/are correct regarding the International Date Line? (1) The International Date Line is an imaginary longitude that serves as the line of demarcation between two consecutive dates.  (2) It is located Halfway from the Prime Meridian or Greenwich Meridian.  (3) It curves from the normal 180 degree Meridian at the Bering Strait to avoid confusion of day and date.  (4) The time difference between either side of the International Date Line is exactly 24 hours. 
Which of the following events after the balance sheet date would normally qualify as adjusting events according to AS-4 (Events after balance sheet date)? (A) The insolvency of a customer on the balance sheet date (B) A decline in the market value of investments (C) The declaration of an ordinary dividend (D) The determination of the cost of assets purchased before the balance sheet date Choose the most appropriate answer from the options given below:
Mr. A sold goods to Mr. B. Determine the TOS in accordance with the provisions of section 12 of the CGST Act, 2017 in case supply involves movement of goods.
1. Date of removal - 1st October, 2019
2. Date of invoice - 2nd October, 2019
3. Date when goods made available to the recipient - 3rd October, 2019
4. Date of receipt of payment - 15th November, 2019
Which of the following are the consequences in case of insolvency of partner?
1. The partner adjudicated as insolvent ceases to be a partner.
2. He ceases on the date on which the order of adjudication is made.
3. The firm is dissolved on the date of the order.
4. The estate of the insolvent partner is liable for any act of the firm after the date of the order of adjudication.
5. The firm can be held liable for any acts of the insolvent partners after the date of the order of adjudication.
Select the correct answer: