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sweet [91]
3 years ago
9

What type of bond is shown below, where electrons are shared between the bonded atoms?

Biology
1 answer:
bulgar [2K]3 years ago
4 0
A. Covalent bond means sharing of electrons between both non metal molecules
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Auricular myiasis refers to fly larvae in the __________ tissue.
Nikolay [14]
Auricular Myiasis  refers  to fly  larvae  in  the  ear  tissue. Myiasis is  the inversion  of  body  tissue  of  animal by  the  larvae  of diptera  or two winged flies. Myiasis  parasitic infection  by the fly  larvae inside  the   while feeding  on  the  tissue. 
8 0
3 years ago
What are the frequencies of each offspring genotype in a cross between rr female and a rr male? see section 14.2 (page 293) . vi
Dmitriy789 [7]

Answer:all homozygous dominant

Explanation: traits are known to be controlled by genes in the chromosomes.from mendels work a test cross between a homozygous rr male and a female would produce r gametes each,which when crossed produces a rr ofspring,which is homozygous for the trait

7 0
4 years ago
A communications satellite transmits a radio wave at a frequency of 9.4 x 10^9 Hz. What is the signal’s wavelength? Assume the w
sergejj [24]
To calculate this we will use the light equation:
c=λ*f

We have Frequency f=9.4* 10^{9}Hz.
We know that speed of light in vacuum is c =3.8* 10^{8} m/s.
Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).

So:
f=9.4* 10^{9}1/s
<span>c =3.8* 10^{8} m/s
</span>
<span>c=λ*f
</span>⇒ λ= \frac{c}{f}
⇒ λ= \frac{3.8* 10^{8}}{9.4* 10^{9}}
⇒ <span>λ</span>=0.04 m

5 0
4 years ago
Why are theories stronger and more reliable than hypotheses
monitta

Answer:

A hypothesis is an educated guess that is made before research takes place. A theory is an explanation of the natural world and the universe. It explains facts that have already been proven true and is supported by data. A theory can be repeatedly tested and verified, and if proven true, makes the theory even stronger. Even if the theory is proven false, it is simply modified. This is why theories are much more reliable than hypotheses.

6 0
3 years ago
Read 2 more answers
Compare and contrast viruses and bacteria.
solmaris [256]

Answer:

Viruses and Bacteria

Explanation:

Bacteria are single-celled, prokaryotic microorganisms that exist in abundance in both living hosts and in all areas of the planet. By their nature, they can be either "good" or "bad" for the health of plants, humans, and other animals that come into contact with them. A virus is acellular (has no cell structure) and requires a living host to survive; it causes illness in its host, which causes an immune response. Bacteria are alive, while scientists are not yet sure if viruses are living or nonliving; in general, they are considered to be nonliving.

Infections caused by harmful bacteria can almost always be cured with antibiotics. While some viruses can be vaccinated against, most, such as HIV and the viruses which cause the common cold, are incurable, even if their symptoms can be treated, meaning the living host must have a strong enough immune system to survive the infection.

8 0
4 years ago
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