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Tanzania [10]
3 years ago
14

Insects in flight have a higher metabolic rate than they do at rest and consume 10 to 200 times more O2 than when they are at re

st. Despite this high energy expenditure, insects are able to generate extra energy while flying. What mechanism facilitates this?
Biology
1 answer:
zhannawk [14.2K]3 years ago
3 0

When insects fly, they expend more energy and consume more oxygen as compared to their state of rest. Insects have a tubular breathing system called tracheae, instead of lungs. The action of flight muscles pumps air through the trachea. This is how they generate extra energy while flying.

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Much important confirmatory evidence on the genetic code has come from assessing changes in the amino acid sequence of mutant pr
Reil [10]

Answer:

The correct answer is -

A. a, c, g

B. e, b, f & d

Explanation:

Part A- the options a, c, g are the options that show mutation or replacement by a single base change

a) Phenylalanine: UUU UUC

Leucine: UUA UUG

Only one base change

c) Alanine:  GCU  GCC  GCC GCG

   Thr:         ACU ACC ACA ACG

only one base change

g) Prolin:  CCU CCC  CCA  CCG

  Serine: UCU UCC  UCA UCG

Part B:

All other replacements will not be consistent with the Genetic Code if single base substitutions occur in option e, b, f & d

6 0
2 years ago
All the senses except smell go through which brain structure first before being distrobuted to the rest of the brain
sattari [20]
<span>the answer for this is Thalamus</span>
6 0
3 years ago
What is an Non-native or Invasive species do to the environment?
EleoNora [17]

Answer:

They can destroy the ecosystem or out - compete a native species.

Explanation:

For example, if an invasive species of tree is taller than the native species of tree and therefore takes up more sunlight, leaving the shorter native tree not enough sun, then it will effectively kill the native tree.

Also non - native and invasive are not the same thing. A non - native species doesn't necessarily mean it's invasive. It is only invasive if it begins to have a significant impact on the ecosystem it is inhabiting.

5 0
2 years ago
Your friend has suffered a broken nose which bones potentially could be involved
Iteru [2.4K]
If you are suffered to a broken nose the bones that are potentially involved are inferior nasal concha, lacrimal, vomer, and nasal bones.

A Broken nose is a fracture of nasal bones, because the nose has such a prominent and unprotected position in the center of the face. Boken nose significantly alters your appearance, it can also make it much harder to breathe through the nose.
5 0
3 years ago
The matter in a bear body is not capable of moving and changing without____
ollegr [7]

Answer:

Option d ; energy

Explanation:

Energy is the main component of life. From simple processes such as photosynthesis, to the production of plants, to reproduction in mammalian life, all depend on the life-driving force of energy.

In the bear's life, the energy is needed for cellular processes like respiration, particularly the Krebs Cycle. Not only that, because bears live in polar regions, they need heat to keep them warm. Without energy, they will not be able to move, hunt or sustain themselves.

5 0
3 years ago
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