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notka56 [123]
2 years ago
9

The smaller units or 'buildings blocks' of which proteins are made​

Biology
1 answer:
Step2247 [10]2 years ago
7 0

Answer:

amino acids

Explanation:

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Would you like help with anything about biodiversity? I'd be glad to help! :D

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DNA Base Pairing Worksheet
erastovalidia [21]

Answer: 1. CCGTAAGCGCTAGTAC

2.GCAATCGTACGAAGTA

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Explanation: you just flip the letters with their corresponding ones

5 0
2 years ago
A biologist examines a series of cells and counts 90 cells in interphase, 13 cells in prophase, 12 cells in metaphase, 3 cells i
EleoNora [17]
<span> Mitosis involves Prophase, Metaphase, Anaphase, and Telophase. 

So you have 
13 + 12 + 3 + 2 = 30 cells in mitosis 
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90 + 30 = 120 cells in total 

Therefore your ratio of cells in mitosis to total cells is 30 / 120 = 1 / 4. That means mitosis should take up roughly 1/4 of the total cell cycle length. Since the completely cycle takes 24 hours, mitosis would then take (1/4)*24 = 6 hours</span>
6 0
3 years ago
Is it possible to have a knockout mutant plant that shows no visible phenotype that is different from the wild-type plant?
joja [24]

Answer:

Molecular genetic approaches to the study of plant metabolism can be traced back to the isolation of the first cDNA encoding a plant enzyme (Bedbrook et al., 1980), the use of the Agrobacterium Ti plasmid to introduce foreign DNA into plant cells (Hernalsteens et al., 1980) and the establishment of routine plant transformation systems (Bevan, 1984; Horsch et al., 1985). It became possible to express foreign genes in plants and potentially to overexpress plant genes using cDNAs linked to strong promoters, with the aim of modifying metabolism. However, the discovery of the antisense phenomenon of plant gene silencing (van der Krol et al., 1988; Smith et al., 1988), and subsequently co‐suppression (Napoli et al., 1990; van der Krol et al., 1990), provided the most powerful and widely‐used methods for investigating the roles of specific enzymes in metabolism and plant growth. The antisense or co‐supression of gene expression, collectively known as post‐transcriptional gene silencing (PTGS), has been particularly versatile and powerful in studies of plant metabolism. With such molecular tools in place, plant metabolism became accessible to investigation and manipulation through genetic modification and dramatic progress was made in subsequent years (Stitt and Sonnewald, 1995; Herbers and Sonnewald, 1996), particularly in studies of solanaceous species (Frommer and Sonnewald, 1995).

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2 years ago
What process changed the genetics of some rabbits over many generations to give them white or spotted fur and to make them frien
irinina [24]
I think it would be selective breeding
6 0
3 years ago
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