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kramer
3 years ago
11

It takes __________ seconds after exposure to headlight glare for the pupil to adapt once again to dark conditions. seven five t

hree nine
Biology
2 answers:
Harrizon [31]3 years ago
8 0

It takes seven seconds for the pupil to adapt once again to dark conditions after getting exposed to headlight glare.

The pupil of the eye refers to the black circle at the midpoint of the iris. The pupil functions mainly to monitor the amount of light getting inside the eyes, to make sure that to much light does not blanch out the visions in extremely bright light conditions, and to capture as much light as possible in dim light conditions.

gladu [14]3 years ago
4 0

Answer:

7 seconds

Explanation:

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Which of the following statements about PCR is/are FALSE? There may be more than one correct answer.
Harrizon [31]

Answer: The answer is C

Explanation:

After each PCR cycle, the amount of DNA does not increase in a linear manner

8 0
3 years ago
You can recognize the process of pinocytosis when _____.
Lena [83]
You can recognize the process of pinocytosis when THE CELL IS ENGULFING EXTRACELLULAR FLUID.
Pinocytosis is one of the forms of endocytosis; it involves the movement of large particle into the cell by an in-folding of the plasma membrane. It is an active form of transport used to move materials into the cells.
6 0
3 years ago
Suppose that the resistance between the walls of a biological cell is 7.0 × 109 Ω. (a) What is the current when the potential di
DIA [1.3K]

Answer:

Explanation:

Using Ohm's law

V ( voltage) = I (current A) × Resistance R in ohms

R = 7.0 × 10⁹Ω

V = 80 mV = 80 / 1000 = 0.08 V

0.08 V = I × 7.0 × 10⁹Ω

a) I = 0.08 V / 7.0 × 10⁹Ω = 1.142857 × 10 ⁻¹¹ A

b) quantity of charge = I × t = 1.142857 × 10 ⁻¹¹ A × 0.85 s = 9.7142857 × 10⁻¹² C

number of Na⁺ ions ( q = +e) = 9.7142857 × 10⁻¹² C / 1.6 × 10⁻¹⁹ C = 60714285.714 Na⁺ ions

7 0
3 years ago
Ou are told that the cells on a microscope slide are plant, animal, or bacterial. You look at them through a microscope and see
grandymaker [24]

Answer:

The correct answer is c) are plant cells.

Explanation:

The cells cannot be animal cells, because they have not wall (this kind of cells has only plasma membrane). In addition, eukaryotic cells have membrane-bound organelles (which are surrounded by a phospholipids membrane, such as endoplasmatic reticulum, Golgi apparatus, lysosomes, etc.), whereas prokaryotic cells lack them. Since plant cells are eukaryotic and bacterial cells are prokaryotic, the cells you are looking are plant cells.

6 0
3 years ago
A student is conducting their science experiment on the effects of sugar on bullfrogs. He has 3 groups of test subjects. 1 group
Oxana [17]

Answer:

Group 1 of frogs.

Explanation:

It is the first thing because you have to note which of the frogs you're talking about before you start.

4 0
2 years ago
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