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podryga [215]
2 years ago
15

Two strains of e. coli—one of which can turn on its lactase production and one that cannot—are grown together with lactose in th

e medium. if all other conditions are equal, what will occur?
Biology
1 answer:
Doss [256]2 years ago
4 0

E.coil bacteria is belong to family of Enterobacteriaceae . Its live in the environment with or without oxygen.They also present in the intestine of healthy person and warm blooded animals.

The quantity of lactate produce by pathogenic E-coli was significantly higher than produced by non -E-coli.These enzymes were produced by lactose but represent by glucose and galactose.

E-coli used as disaccharide lactose as source of metabolic energy.Fermentation of lactose , glucose and galactose using E-coli bacteria.And lactose is produced by bacteria living in the intestinal tract of animals .It is an energy source and E-coli use use glucose as an energy source.

To learn more about enzymes here

brainly.com/question/14953274

#SPJ4

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Identify the point in mitosis at which separase cleaves the protein complex that holds sister chromatid pairs together. In norma
True [87]

Answer:

In the transition of metaphase to anaphase, the cohesin complex is cleaved by the separase enzyme in a process dependent on the activation of specific proteins that trigger posttranslational modifications (i.e., protein degradation by ubiquitination). This process of cleavage enables the sister chromatids to separate and move to opposite sides of the cell

7 0
3 years ago
In wild populations, individuals most often are found near available resources and show a _____ pattern of dispersion.
Sidana [21]

Clumped. Have a nice day!

5 0
2 years ago
Using Grime’s Triangle as a framework, discuss how natural selection and trade-offs work to form the niche of species.
Jobisdone [24]

Natural selection affects the scope of the niche of a given species. Moreover, trade-offs are associated with differences in traits that also may affect the niche of a species.

<h3>Natural selection and trade-offs </h3>

Natural selection refers to the differential survival or reproduction of individuals in particular environmental conditions.

The different niches occupied by species are mainly a consequence of differential trade-offs among species, i.e., by differential phenotypic features that generate negative correlations among species.

Grime’s Triangle is based on the associations (trade-off) between adaptation to productivity and/or competition, stressful environments (habitats) and disturbance.

Learn more about natural selection here:

brainly.com/question/23929271

8 0
2 years ago
Sickle cell anaemia is an inherited autosomal recessive
alekssr [168]

Answer:

1/8 (12.5%)

Explanation:

An autosomal recessive disease is an inherited disease in which an individual need to receive both defective alleles at the same gene <em>locus</em> to be expressed in the phenotype. In this case, both parents are carriers of the recessive mutant allele associated with the sickle cell anaemia trait, thereby both parents are heterozygous, ie., each parent has one copy of the normal allele 'H' and one copy of the defective mutant allele 'h' associated with this condition. In consequence, their first child has a 1/4 (25%) chance of having sickle-cell anaemia. Moreover, the chance of having a girl is 1/2 and the chance of having a boy is 1/2, thereby the final chance of having a girl sickle cell anaemia individual is 1/4 x 1/2 = 1/8 (12.5%).

- Parental cross for sickle cell anaemia trait = Hh x Hh >>

- F1 = 1/4 HH (normal); 1/2 Hh (normal); 1/4 hh (sickle cell anaemia) >>  

- Sex proportion of sickle cell anaemia individuals =  1/8 female sickle cell anaemia individuals + 1/8 male sickle cell anaemia individuals (1/8 + 1/8 = 1/4)

3 0
3 years ago
Liposome in food industry is used for embedding and transporting nutritional factors and functional ingredients. It has the char
RoseWind [281]

Answer:

1) Improve the stability and bioavailability of functional nutrients during storage and digestion;

2) Control the fixed-point and timing release of the embedded substance;

3) Improve food texture.

Explanation:

https://www.creative-biostructure.com/liposomes-in-food-industry-486.htm

8 0
3 years ago
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