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atroni [7]
3 years ago
14

Which of the following is NOT an adaptation for deep diving in Cetaceans? Having a lot of myoglobin in the muscles to store oxyg

en Having increased hemoglobin concentrations to store more oxygen Slowed heart rate Blood flow is shifted from the brain to the extremities Collapsing the lungs to compensate for increasing water pressure during deep dives
Biology
1 answer:
kifflom [539]3 years ago
8 0

Answer:

Hence the correct answer is Blood flow is shifted from the brain to the extremities.

Explanation:

Blood flow is shifted from the brain to the extremities - most marine mammals have an in-depth network of blood vessels towards their brain which is understood because of the retia mirabilia. These reduce the temperature in the extremities.

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Wheat production W in a given year depends on the average temperature T and the annual rainfall R. Scientists estimate that the
Nimfa-mama [501]

Answer:

-1.1

Explanation:

Data provided in the question:

Average temperature is rising at a rate, \frac{dT}{dt} = 0.15°C/year

Rate of change  rainfall, \frac{dR}{dt} = - 0.1 cm/year

\frac{\delta W}{\delta T} = -2

\frac{\delta W}{\delta R} = 8

Now,

we need to calculate \frac{dW}{dt}

since,

The wheat production (W) is dependent on the rainfall (R) and the Temperature (T)

thus, Using the chain rule , we have

\frac{dW}{dt} = \frac{\delta W}{dT}\times\frac{dT}{dt} +  \frac{\delta W}{dR}\times\frac{dR}{dt}

on substituting the respective values, we get

\frac{dW}{dt} = -2 × 0.15 +  8 × (-0.1)

or

\frac{dW}{dt} = -0.3 - 0.8

or

\frac{dW}{dt} = -1.1

3 0
2 years ago
The discontinuous aspect of replication of DNA in vivo is caused by ________.
pychu [463]

Answer:

The 5' and 3' polarity restriction

Explanation:

Discontinuous replication is when synthesis of new DNA molecule takes place as a series of short fragments that will subsequently be joined together.

These fragments are called the Okazaki fragments.

DNA synthesis takes place from 3' to 5' end. However due to 5' and 3' polarity. The replication has to be discontinuous due to the synthesis happening backwards and okazaki fragments being formed.

3 0
2 years ago
The average daily balance is equal to the sum of daily balances
vfiekz [6]
A. divided by the number of days in the billing cycle.
7 0
3 years ago
Read 2 more answers
What type of mutation occurs when a nucleotide is added to the DNA?
Yanka [14]

Answer:

A frameshift mutation.

Explanation:

A frameshift mutation is when one adds an extra nucleotide to a series of nucleotides. This will mess up the order of the nucleotide, thus when it forms the codons, and eventually, the amino acids; all of the codons are wrong, thus all of the amino acids are wrong.

In this situation, an extra nucleotide is added to a sequence of DNA, this results in all of the other nucleotides getting pushed over by (1). Thus, all of the nucleotides form the wrong codons and the wrong amino acids. Therefore, a frameshift mutation has occured.

4 0
2 years ago
What does it mean when scientists say that living organisms share a universal genetic code?
ser-zykov [4K]
They all have something in common
3 0
3 years ago
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