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Aloiza [94]
3 years ago
12

Which letter indicates the wavelength of the wave?

Biology
1 answer:
valentina_108 [34]3 years ago
5 0
Pretty sure it’s b and and d brother
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What factors influence a region's photosynthetic productivity? nutrients and sunlight temperature and density sunlight and depth
jeka57 [31]

Answer: Nutrients and Sunlight

Explanation:

Nutrients and sunlight are two important factors for photosynthesis. Nutrients are necessary for keeping the plant alive these nutrients such as inorganic minerals are obtained by plants through soil. The sunlight is essential for splitting the molecules of water so as to produce oxygen as a product along with carbohydrates.

4 0
3 years ago
_______ traits are passed down and are not influenced by an organism’s surroundings
Alex73 [517]
Inherited Traits are passed down and are not influenced by organism’s surroundings
4 0
3 years ago
Fat is the most efficient molecule for long-term energy storage, even compared to carbohydrates, because __________.
saveliy_v [14]

Answer:

d.

Explanation:

Your body uses two types of molecules for storing energy, the carbohydrates are the main type and its used for short term storage, and for immediate use by the body. And the lipids or fats, are used for long term storage in the body, because they can store more energy in the same volume than a carbohydrate.

3 0
3 years ago
How can you tell when asthma is related to exercise?
kicyunya [14]

You can tell if asthma is related to exercise

(i)                  If a person has a coughing and shortness of breath. This feels a few minutes after an activity

(ii)                You feel constricted. When on the exercise you feel like you can’t get enough air in your lungs.

(iii)               A person feels fatigue after training instead of being energized.

(iv)              If a person lives in a dry environment the breath in air that is divided and colder than the other parts of your body.

3 0
3 years ago
Suppose that in another world, DNA does not undergo semiconservative replication, but instead a conservative mechanism is used.
Liono4ka [1.6K]

Answer:

c. ¼ heavy, ¾ light

Explanation:

DNA replication follows semi conservative model which means that both the strands separate during replication and the newly formed DNA molecule has one old and one new strand. If instead of semi conservative, conservative mechanism is used, old strands will not separate from each other and the two newly synthesised DNA strands will come together to form a DNA molecule.

Here the cells were first grown in heavy 15N medium so all the DNA molecules had 15N and thus were heavy. Then the cells were transferred to 14N medium where only lighter 14N were available for replication process.

In first generation, 14N DNA molecules were synthesised from 15N DNA molecules so 1/2 DNA molecules were 15N and other half were 14N. In the second generation, 14N molecules will give rise to new 14N molecules and 15N molecules will also give rise to 14N molecules hence 1/4 molecules will be 15N (heavy) and 3/4 will be 14N (light).  

3 0
3 years ago
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