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dangina [55]
3 years ago
8

How are explanations formed in science?

Biology
1 answer:
ycow [4]3 years ago
4 0
Through experiments and studies
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PLZZZ HELPPP ASAPPP!!!!!<br><br> +35 POINTSSS!!!1
geniusboy [140]

1. The virus attaches itself to a host cell

2. The virus inserts its nucleic acid into the host cell

3. The virus nucleic takes over the host cell and makes virus parts

4. The cell creates more viruses

5. The cell bursts, releasing the new viruses

4 0
3 years ago
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Which statement about the starch debranching enzyme is correct?
Roman55 [17]

Answer:

B) If two non functional copies are inherited, the pea will be wrinkeld.

Explanation:

The gene for starch debranching is one of the genes that regulate more than one genetic trait. The starch debranching gene also regulates the seed shape in peas. The gene has two alleles. The allele B is completely dominant over allele "b" with respect to seed shape. Both homozygous and heterozygous dominant genotypes (BB and Bb) produce smooth seeds while homozygous recessive genotype (bb) imparts wrinkled shape to the seeds.

8 0
3 years ago
"as an adult, your brain has fewer synapses than it had when you were 2 years old"
Liula [17]
That is incorrect your brain has same amount of synapses
5 0
3 years ago
In the presences of oxygen, the energy rich products of glycolysis in human cells
beks73 [17]
Answer

In the presence of oxygen two energy products are produced, these are:
1. ATP
2. NADH2

One NADH2 produce three ATP. 
Conclusion:
so in the presence of oxygen the energy rich compound which is produced during glycolysis is NADH2.


8 0
3 years ago
What are two major advantages of high-yield modern agriculture? what are the major harmful environmental impacts of agriculture?
goldfiish [28.3K]
1.High yield modern agriculture refers to the practice of breeding genetically modified crops or using fertilizer to increase the production yield of planted crops. Two advantage of high yield modern agriculture are:
1. Production of large quantities of planted crops.
2. Ability to select and breed plants with superior qualities.

2. Agriculture have some negative influence on the environment, the major harmful environmental impacts of agriculture are:
a.  Habitat loss: Agricultural practices present great danger to species and ecosystem. This is because, farmed areas serve as habitats for different types of wild plants and animals. Farming the areas makes these living organisms to lose their habitats and these throw the ecosystem into imbalance.
b. Soil erosion and degradation: When natural vegetation are converted into agricultural lands, the breaking up of the soil leads to erosion, which wash away the top soil and the nutrients that are embedded in it. 
c. Pollution: The chemicals that are used during farming operations, such as fertilizers, pesticides, etc. cause pollution of the air and the surrounding waters.
3. Soil erosion is the process by which the top layers of soils are carried away by agents such as wind and water. The biggest negative effect of soil erosion is the loss of top soil. The top soil is the part of the soil that contain most of the nutrients that plants use to grow. When this part of the soil is lost, the soil usually becomes non fertile. Soil erosion can also lead to water pollution. When soils are eroded from the farm lands and carried to the surrounding waters, the waters will be polluted by the chemicals such as pesticides, herbicides and fertilizers, which are had been used on the soils. This can lead to the death of the animals that are living in the waters.
4 0
3 years ago
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