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katen-ka-za [31]
3 years ago
15

Mutations that do not change the amino acid sequence and thus have no consequence are termed _____ mutations.

Biology
1 answer:
bezimeni [28]3 years ago
5 0
They are reffered to as a silent mutation
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Why are metals good conductors of electricity but covalent compounds are poor conductors
Nataly [62]
The electrons in the outermost shell of the covalent compounds are shared by nearby atoms. As there are no free electrons for conducting electricity, the covalent compounds are perfect insulators at absolute zero. As the temperature increases, some electrons move from valence band to conduction band. This gives rise to conductivity. But as the numbers of charge carriers are very low, covalent compounds are poor conductors. On the other hand metals are good conductors cause of their bonding. Metallic bonding consists of a sea of electrons rather than discreet bonds. The free electrons are able to move freely. Since electricity and heat need electrons to move, the bonding promotes conductivity.
5 0
2 years ago
At the complete end of cellular respiration, how many molecules of ATP are produced
Vlad1618 [11]

Answer:

38 ATP

Explanation:

On complete oxidation of one molecule of glucose yields 38 ATP.  Break up of energy production is given below:  

  • During glycolysis 2 ATP and 2 NADH is produced.
  • During formation of Acetyl CoA, 2 NADH is produced.  
  • During Citric Acid Cycle, 2 ATP, 6 NADH, 2 FADH₂ are produced.  

Finally during Electron transport chain, reduced coenzymes NADH and FADH₂ oxidised to release ATP. Each NADH produce 3ATP and each FADH₂ produces 2 ATP. Altogether 10 NADH is produced during entire process of cellular respiration which yield 30 ATP and 2 FADH₂ yields 4 ATP. Therefore, on complete oxidation of one molecule of glucose yields 38 ATP.

7 0
3 years ago
Read 2 more answers
Explain how fertilization occurs
alex41 [277]
<span>I'm assuming this in plants.

Brief-ish answer:

"Fertilization in plants occurs when pollen grains are transported from anthers to stigma. When ripe pollen from an anther catches on the stigma of the same kind of flower, each pollen grain sends out a small thread-like tube."

Here's a fuller answer:

"</span>Fertilization occurs after pollination, when pollen grains land on the stigma of a flower of the same species. During this time, a series of events take place leading to the formation of seeds. A pollen grain on the stigma develops a tiny tube that runs down the style of the ovary. The pollen tube contains a male gamete which meets the female gamete in the ovule. Fertilization occurs when the two gametes combine and their chromosomes join. The resulting product is a normal complement of chromosomes, with some from either parent flower. The fertilized ovule forms a seed, which consists of a food reservoir and an embryo that later develops into a new plant. In gymnosperms (conifers) male gametes are enclosed in pollen grains and are transmitted by wind or insects to the female reproductive organs. Fertilization in angiosperms (flowering plants) occurs when insects or other animals transport the pollen to the female reproductive organ (pistil).<span>
</span><span>Fertilization is the fusion of gametes to launch the development of a new individual organism. In animals, the process entails the combination of ovum with a sperm, leading to the development of an embryo. Fertilization in plants occurs when haploid gametes meet to create a diploid zygote, which eventually forms an embryo.</span><span>"

source: </span>https://www.reference.com/science/plant-fertilization-occur-ccf48c80e72fc410
5 0
3 years ago
Restoration of native plants and habitats on campuses __________. a. is limited to those campuses with large land holdings b. is
Vinil7 [7]

Answer:

Restoration of native plants and habitats on campuses can provide ecosystem services such as slowing storm water runoff and filtering pollution-c.

8 0
3 years ago
________ is the form of vitamin d found in plants.
julia-pushkina [17]
Ergocalciferol is the form of vitamin d found in plants.
4 0
3 years ago
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