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Verizon [17]
3 years ago
6

What is the “transitional fish”

Biology
1 answer:
tester [92]3 years ago
3 0

Answer:

375 million-year-old fish, a large scaly creature not seen before, that they say is a long-sought "missing link" in the evolution of some fishes from water to a life walking on four limbs on land. In addition to confirming elements of a major transition in evolution, the fossils are widely seen by scientists as a powerful rebuttal to religious

Explanation:

on closer examination, scientists found telling anatomical traits of a transitional creature, a fish that is still a fish but exhibiting changes that anticipate the emergence of land animals — a predecessor thus of amphibians, reptiles and dinosaurs, mammals and eventually humans

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How does DNA make you look like you do?
Jobisdone [24]

Answer:

last answer

Explanation:

dna doesn't make carbohydrate. it has no connection with carbohydrates

environment and parasites don't make our genes it's dna. environment can affect it or make some changes like tanning of skin ....

lipids also doesn't have any connection with dna or rna. fatty acids and glycerol make lipids

dna provide genetic code to m-rna which assemble in r-rna with amino acids carried by t-rna and form proteins.

dna involve in protein synthesis by providing genetic code for rna

what exactly affects our look is the genes that we call phenotypes.

4 0
3 years ago
Cheetah have evolved a much higher lung capacity,why
Stella [2.4K]

Cheetah need a large lung capacity because they consume a lot of oxygen while sprinting.

8 0
3 years ago
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When a muscle cell receives a signal from a motor neuron, are all the sarcomeres activated or only some?
zheka24 [161]
When a muscle cell receives a signal from a motor neuron, every sarcomere within that muscle cell is activated. The signal moves from the motor neuron to the muscle cell by crossing the synapse. When acetylcholine binds the sodium enters the T tubules and this causes calcium to be released from the sarcoplamic reticulum. Calcium binds to tropomyosin, which allows actin to bind to myosin and each sarcomere contracts. There is nothing and no way to separate individual sarcomeres. They are all activated together.  
4 0
3 years ago
The incident of plague infection seen in this case study is interesting primarily because a medical condition of the researcher
Triss [41]

Given what we know, two common medical or biological conditions that may create a hazardous environment when working in a microbiology lab are asthma and working with an infectious disease that may become airborne.

<h3>Why would these conditions prove hazardous?</h3>
  • Working with chemicals and microbes can be especially hazardous to individuals with asthma.
  • This is due to the strong effect that certain chemicals can have in triggering an asthma attack.
  • Microbes may also cause upper respiratory tract infections if breathed in, further worsening asthma.
  • Likewise, working with an infectious disease that has the capability to be airborne is especially hazardous given the ease with which one may become infected and transmit the disease.

Therefore, we can confirm that two common medical or biological conditions that may create a hazardous environment when working in a microbiology lab are asthma and working with an infectious disease that may become airborne.

To learn more about lab safety visit:

brainly.com/question/20103808?referrer=searchResults

7 0
2 years ago
Q3. which of these processes in the water cycle is driven by the heat of sun
Agata [3.3K]

Answer:

Evaporation.

Explanation:

Evaporation is when water goes into gas state, after being heated up by the sun, different from boiling, which is "artificial" since it's not the sun heating up the water, it's you.

4 0
3 years ago
Read 2 more answers
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