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Vikki [24]
2 years ago
8

Which part of a plant are used to attract birds and insects called

Biology
2 answers:
ElenaW [278]2 years ago
8 0

Answer:

Nectar

Explanation:

shusha [124]2 years ago
3 0
I answered this question too.
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What is recombination and how does it work? is it the same thing as crossing-over? if an organism practiced self-fertilization,
Sever21 [200]
Recombination is the method by which organisms can randomly assort their genotypes amongst each other to create offspring with a different haplotype than either of its parents. This can be done by either copying sequences from one homologous chromosome to another (no physical exchange) or crossing over (physical exchange. 
Crossing over is a mechanism in eukaryotes by which recombination can occur, in which the two homologous chromosomes contributed by both parents literally cross over and break at certain points to exchange certain sections of the chromosomes amongst each together.
Self fertilizing organisms typically do not produce offspring that are genetically identical. However, this has an inbreeding effect on its offspring, since it is recombining from the same genotype and so has a higher chance of producing homozygous offspring. This is very detrimental for mammals and some eukaryotes, but in some other organisms such as bacteria, homozygosity is typically not an issue.
8 0
3 years ago
The process of natural selection requires all of the following, except:
Rudik [331]

Answer:

C.) Advanced or complex species

4 0
3 years ago
A geneticist isolates a gene for a specific trait under study She also isolates the corresponding mRNA Upon comparison, the mRNA
olga nikolaevna [1]

Answer:

C) no, the final mRNA contains only exons, the introns were removed

Explanation:

Exons are the coding areas while the introns are non-coding areas. Both of these are the sequences of nucleotide within a gene.

RNA splicing is a process which usually occurs as the RNA matures, causing the removal of introns ( non coding areas of the RNA ) i-e they will not be expressed in the final messenger RNA, while exons continue to form covalent bonds with one another to form a  mature mRNA.

So in the given scenario, Upon comparison, the mRNA is found to contain 1,000 fewer bases than the DNA sequence because the introns were removed by RNA splicing.

Hence option C) no, the final mRNA contains only exons, the introns were removed is correct.

5 0
3 years ago
What is it called when animals are the opposite of albino?, im lost and this si in my bio
Nikolay [14]

Answer:melanism

Explanation:albino is when an animal has no melanin, which is the chemical that causes pigment (color). Melanism is when an animal has too much melanin and is completely black. That animal is melanistic.

6 0
3 years ago
Which is a major factor affecting population growth rate? (Site 1)
iVinArrow [24]

Answer:

resources        

Explanation:

5 0
3 years ago
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