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ra1l [238]
3 years ago
8

Why do frogs croak, what makes them croak, and is it used for mating?

Biology
2 answers:
lana66690 [7]3 years ago
7 0

Answer:

they croak to show agresion

Explanation:

b/c they use it to pretect females

Licemer1 [7]3 years ago
6 0

1. The male frogs croak to attract female frogs so that they can mate.

2. Frogs croak by moving air over their vocal cords and causing them to vibrate.

3. Definetly

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The Punnett square predicts a 9:3:3:1 ratio for phenotype. Explain what the ratio means.
Aleksandr-060686 [28]
This occurs in dihybrid crosses
There is a 9/16 chance of the offspring have all dominant traits
A 3/16 chance of the offsprings traits being dom/rec or rec/dom
A 1/16 chance of the traits being all recessive.

For example if Tall is dominant to short and Red is dominant to green
9/16ths of the offspring will be Tall and Red
3/16ths will be either Tall and green OR short and Red
1/16ths chance the offspring will be short and green
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3 years ago
The experimental technique that involves transfer of dna from an electrophoresis gel to a membrane, followed by detection with a
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The answer is _southern blotting_

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2 years ago
Three boats were moving across the surface of a smooth lake. The gray and pink boats have the same mass, and both of these boats
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2 years ago
Why does darkness affect the light-independent reactions of photosynthesis?
notsponge [240]

Answer:

The correct answer would be Light independent reactions require the energy gathered in the thylakoids.

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Light-independent reaction: It fixes carbon obtained from carbon dioxide into the food or glucose with the help of enzyme RuBisCO (Ribulose-1,5-bisphosphate carboxylase/oxygenase).

It takes place in the stroma of the chloroplast and does not require the involvement of light however, it requires the products (ATP and NADPH) of the light reaction.

Fixation of 1 molecule of glucose requires 6 molecules of carbon dioxide, 9 molecules of ATP and 6 molecules of NADPH.

So, darkness indirectly affects the light-independent reaction.

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Explanation:

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