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Katarina [22]
3 years ago
8

How can frogs produce huge numbers of gametes at one time?

Biology
1 answer:
lawyer [7]3 years ago
5 0
They lay eggs............
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Explain how the resting potential is created and maintained. (sodium potassium pump) What happens when sodium comes in and potas
MAVERICK [17]

Answer:

The resting membrane potential is created and maintained due to the difference in the total charge or ions present outside and inside of the cell. The resting membrane potential depolarize if sodium come in and and potassium leaves the cell.

Explanation:

The resting membrane is maintained and created by the distribution of potassium and sodium ions. The membrane potential of a resting cell is -70mV (negative) because more sodium ions is present outside the cell than the potassium ions present inside the cell.

When the sodium ions enter inside the cell and potassium ions move outside the cell, the inside of the cell becomes more positive as compared to the outside and the membrane potential changes from -70 mV to +30 mV. The cells will depolarize due to the accumulation of sodium ions inside the cell.

7 0
3 years ago
What does it mean that Nikoleta is in the 10th percentile for both length and weight? Is that a desirable statistic if she was i
miv72 [106K]
90% of people weigh more than Nikoleta and 10% weigh less.
4 0
2 years ago
There are about 11,200,000 billion metric tons of O2 in the atmosphere. Based on an estimated photosynthesis rate of 600 billion
Nadusha1986 [10]

Answer:

t=18666.7years

Explanation:

Hello,

In this case, since the rate at which oxygen is produced via photosynthesis is:

600 \frac{billion\ metric\ tons}{year}

Since the desired amount is 11,200,000 billion metric tons, the required time is:

t=\frac{11,200,000billion\ metric\ tons}{600 \frac{billion\ metric\ tons}{year}} \\\\t=18666.7years

Best regards.

8 0
3 years ago
How does gel electrophoresis help determine relatedness in a species?
Jlenok [28]
Gel electrophoresis is used in a device that compares the DNA of organisms to each other.

When gel electrophoresis is used, bands of DNA are pulled to polar ends, creating a line of bands of DNA varying in thickness. Some bands may attract more than others which then makes this line of DNA bands. This occurs with several samples of DNA used in a device with gel electrophoresis. The lines of bands that are the most similar are the ones that are the most related to each other. If the line of bands is identical to another line of bands, it is the same organism. 

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E :)
8 0
3 years ago
Enzymes have specific _____ that determine their function. carbohydrates starches lipids shapes
pogonyaev
Pretty positive the answer is shapes
4 0
3 years ago
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