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Ksju [112]
3 years ago
7

Really need help plz

Biology
1 answer:
katrin [286]3 years ago
6 0
Such a miniscule amount of light penetrates beyond a depth of 200 meters<span> that photosynthesis is no longer possible. </span>
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Lab: Effects of Human Activity on Freshwater Resources (essay)
Bogdan [553]

Answer:

Our water resources face a host of serious threats, all of which are caused primarily by human activity. They include sedimentation, pollution, climate change, deforestation, landscape changes, and urban growth.

3 0
3 years ago
Which supplies your body with energy?<br> A. nutrients<br> B. vitamins<br> C. blood<br> D. water
svetoff [14.1K]
A. Nutrients, vitamins would also be a correct answer
8 0
3 years ago
Read 2 more answers
In a flowering plants species, red flower color is dominant over white flower color. What is the genotype of any white-flowering
katovenus [111]

Explanation:

<u>C. A red allele is present on both homologous chromosomes</u>

<u></u>

Homologous chromosomes are pairs of chromosome of similar lengths, banding patterns, and centromere positions, with genes at the same loci. For dominance, gene copies are present on both of the chromosomes; the dominat variant overrides the effect of the other recessive allele.

Further Explanation:

DNA molecules contain chromosomes that may have different forms called alleles. DNA, which is the genotype, is transcribed into mRNA and later translated into amino acids which are connected together by rRNA to form proteins which constitute the phenotype of an organism. DNA sequence mutations form new alleles, impacting the associated mRNA, and thus the encoded protein.

Homozygous individuals have a chromosome containing two variants of the same allele. Dominant homozygous individuals bear two copies of the dominant allele, whereas recessive homozygous individuals hold two copies of the recessive allele.

 

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly  

6 0
3 years ago
Which molecule is a reactant in the first step and a final product in the fourth step of the Calvin-Benson cycle?
Sveta_85 [38]
CO2molecule is a reactant in the first step and a final product in the fourth step of the Calvin-benson
6 0
3 years ago
Over the last several decades, the scientific community has gathered a large amount of information regarding genetics and geneti
Alenkinab [10]
<span>The two main sources that lead to increased genetic variation are:

</span>1. Gamete mutations
2. Recombination.

Gamete mutations:
Gametic mutations are the mutations that occur in germline cells (sperm and egg). Due to this, the mutations are able to be passed on from one generation to another. One of the most famous gametic mutations<span> is hemophilia.
</span>
Recombination:
Genetic recombination is the production of offspring with combinations of traits that differ from those found in either parent.
7 0
3 years ago
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