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artcher [175]
2 years ago
12

4 Tick all the statements true for RNA.

Biology
1 answer:
hichkok12 [17]2 years ago
4 0
1 and 2 must be right
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How do the shared characteristics of life provide evidence for evolution?
Yanka [14]

Answer:

Evolution occurs due to change in the characteristics of life.

Explanation:

The shared characteristics of life provide evidence for evolution. These shared characteristics are reproduction, homeostasis, heredity, growth, development and adaptation which occurs through evolution. The evolution mainly occurs due to changing environmental conditions. Some sea organisms such as whales evolve from land animals having four legs through the process of evolution. The environment of sea is responsible for the formation of gills and other body structure in order to survive in the water.

3 0
3 years ago
In a dihybrid cross of two heterozygous individuals you epect a 9:3:3:1 phenotypic ratio in the offspring, but observe a ratio o
rosijanka [135]

Answer:

Epistatic interaction of the two genes

Explanation:

In epistasis, the interaction between genes contradics one another, in essence, one gene masks the  interference with the expression of another gene.  As such any time two different genes contribute and have effects to a single phenotype and their effects are not merely additive, those genes are said to be epistatic.

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3 years ago
Which process will result in a gain of energy in
vampirchik [111]
Photosynthesis will result in gain of energy in an ecosystem.
7 0
3 years ago
What are the wavelengths of the mean echolocation clicks of bottlenose dolphins and killer whales? Remember, these echolocation
harkovskaia [24]
Echolocation is also called bio sonar. It is the sonar used by several kinds of animals that <span>enables them to locate and discriminate objects by projecting high-frequency sound waves and listening for echoes as the sound waves reflect off objects. </span>
Dolphins and whales make these sounds at any time and at considerable depths. Sounds vary in volume, wavelength, frequency, and pattern.
The wavelength depends on the speed of propagation (c).wavelength=c/f The speed of sound in water is c= 1450 m/s. 
So, for bottlenose delphins the wavelength is:1450m/s /  110.5 kHz
1450 m/s /  110500 Hz =0.013 m = 0.13 mm
For whales  the waveleng42.5 th is:1450m/s /  42.5 kHz = 
1450m/s /  42500 Hz= 0.034 m = 0.34 mm
4 0
2 years ago
In a cross between a true-breeding pea plant bearing smooth, yellow seeds and a true-breeding pea plant with wrinkled green seed
Makovka662 [10]
0 PERCENT THE ANSWER WOULD BE A
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