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Contact [7]
2 years ago
10

A change in direction without a change in speed is called velocity

Biology
1 answer:
maks197457 [2]2 years ago
4 0

Velocity can vary as long there is specific direction (displacement)

Speed has no direction therefore change in speed is not necessary the velocity...

Velocity is also in a specified direction

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The evolution of lungs and gills, which developed to serve a similar gas-exchange purpose in distantly related organisms, is an
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Answer:

A. Convergent evolution

Explanation:

If analogous or structurally different oragns performing similar function.. We call that convergent evolution.

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Which of the following is a BEHAVIORAL adaptation?
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Forward Facing Eyes

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Which step in the PCR program would you have to change if your fragment would have been 10 times longer and how?
bekas [8.4K]

Answer:

increasing extension time

Explanation:

The Polymerase Chain Reaction is a technique widely used in molecular biology laboratories to amplify target DNA regions. The standard steps of a PCR are as follow 1-denaturation, 2-annealing and 3-elongation/extension. These steps are repeated 15-40 times in order to exponentially amplify the linear DNA fragment. It is well known that longer extension times can be used as a strategy to increase the yield of longer PCR products. This is because the extension time depends on the synthesis rate of the DNA polymerase used in PCR technique and the length of the DNA fragment to be amplified.

7 0
3 years ago
3. In centaurs, the allele for curly tails (T) is incompletely dominant to the allele for straight tails (t). The hybrid genotyp
Reptile [31]

Answer:

a. Determine the allele frequencies of:

f(T) = 0.485 ≅ 0.48

f(t) = 0.515 ≅ 0.52

b. Determine the genotype frequencies of the exposed generation

  • F (TT) = 0.21
  • F (Tt) = 0.55
  • F (tt) = 0.24

the genotype frequencies of the next generation

  • F(TT) = 0.23
  • F(Tt) = 0.5
  • F(tt) = 0.27

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Download pdf
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3 years ago
During photosynthesis in plants, sunlight is captured by the chlorophyll to produce glucose. What is the source of the carbon in
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Explanation:

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