why is it a good idea for a bacterial cell to be abel to use glucose first as an energy source then switch to lactose

Answers

Answer 1

Answer:

Due to less steps and requires less energy.

Explanation:

The bacterial cell is able to use glucose first as an energy source then switch to lactose because glucose requires less steps and less amount of energy for the break down as compared to lactose. If lactose is the only sugar available to the bacterial cells, then bacterial cells will use it as energy source for the production of energy. In order to use lactose, the bacteria must express the lac operon genes, which encode the main enzymes for lactose uptake and metabolism.


Related Questions

how do you fix hair when you just got back from the beach? i washed my hair and it still hasn’t gone back to normal yet.

Answers

Answer:

perhaps your hair is a bit dry right now? have you tried deep conditioning it?

What is a gene? ……………….

Answers

Answer:

2nd one is correct

Explanation:

Answer: B

Explanation:

What is a mycelium?
A. long, skinny, branching filaments with cross walls to separate
the nuclei
B. a mass of hyphae under the fruiting body that do the work of
decomposing
C. the material above the soil that contains spores for reproducing

Answers

The answer is B because Mycelium is the vegetative part of a fungus or fungus-like bacterial colony, consisting of a mass of branching, thread-like hyphae.

In recent history, humans have influenced which parts of life on Earth?
A. Almost none of it.
B. Life on land only.
C. Virtually all life on Earth.
D. Life in cities only.

Answers

C. Virtually all life on Earth.

They have affected nearly every life form.

I’ll give you the answer later

A patient with osteoporosis (reduced bone mass) may have a history of health issues. One issue could be
not enough skin exposure to the sun to make Vitamin D.
weak ligaments.
an increase in the absorption of calcium in the digestive system.
weak tendons.

Answers

Answer:

not enough skin exposure to the sun to make Vitamin D.

Explanation:

The correct answer would be not enough skin exposure to the sun to make Vitamin D.

The body makes vitamin D by being exposed to the sun and this vitamin and its metabolite are quite important in the homeostasis of calcium. Calcium on its own is very essential to the formation of bones in the body.

Hence, when the skin is not adequately exposed to the sun, the body becomes short of vitamin D and this disrupts the homeostasis of calcium and the formation of bones in the body. Thus, osteoporosis, also known as weak bones, may result.

Answer:

(A) not enough skin exposure to the sun to make Vitamin D.

Explanation:

♥☺

If the first base in the sequence below were mutated to a C, what would that do to the amino acid sequence?
A U G G C G G A A
Methionine, Alanine, Glutamic Acid

Answers

Answer:

it would be Leucine , Alanine , Glutamic Acid

Explanation:

enjoy your day :)

Is it a, b, c or d? Please help

Answers

Answer:

a. The hog farmer does not notice the barn smell from the working boots when he  wears them on the porch of the house.

Explanation:

The hog farmer does not notice the barn smell from the working boots when he  wears them on the porch of the house is the example of sensory adaptations. Sensory adaptation is a decrease in sensitivity to a stimulus after regular exposure to it. So the farmer can't smell his own boots due to regular exposure to the smell so we can say that it is an example of sensory adaptations..

Why is it important to avoid applying too much nitrogen fertilizer?

Answers

Explanation:

Why is it important to avoid applying too much nitrogen fertilizer?

Too much nitrogen can increase the salinity of soil.

Many antibiotics work by preventing the proper synthesis of the peptidoglycan cell wall. These antibiotics are most likely to be effective against what types of bacteria

Answers

Answer: Gram-positive bacteria.

Explanation:

Gram-positive bacteria are those bacteria that stain dark blue or violet by Gram staining. This is due to the structure of the cell envelope, since they possess a cell wall composed of a thick layer of peptidoglycan, which surrounds the previous one. The cell wall is attached to the cytoplasmic membrane by lipoteichoic acid molecules. The peptidoglycan layer confers high resistance to these bacteria and is responsible for retaining the stain during Gram staining. Unlike gram-positive bacteria, gram-negative bacteria have a second lipid membrane outside the cell wall and a single peptidoglycan layer.

An antibiotic is a chemical substance produced by a living being or synthetically derived, which kills or prevents the growth of certain classes of sensitive microorganisms, such as bacteria. An antibiotic could be bacteriostatic if it prevents the growth of bacteria or bactericidal if it destroys them.

Antibiotics usually attack cell walls, such as β-lactams that act on the peptide chains of the bacterial cell wall. That is, they act by inhibiting peptidoglycan synthesis. This is why gram-positive bacteria are susceptible to certain types of antibiotics because they possess a large amount of peptidoglycan.

There are sixty-one mRNA codons that specify an amino acid, but only forty-five tRNAs. This is best explained by the fact that

Answers

Answer:

See the answer below

Explanation:

The phenomenon is best explained by the fact that the genetic codes are degenerates. In other words, more than one codon can specify for the same amino acid being carried by the tRNA.

The base-pairing rule between the third nucleotide of a codon and that of the anticodon on the tRNAs loosens off. For example, GUU, GUC, and GUA all specify for the amino acid valine while GCU, GCC, and GCA all specify for alanine.

The nuclei (the structure inside a cell that contains DNA) of the cheek cells have been stained using a special dye so that they appear purple. What shape are they

Answers

Answer: Oval.

Explanation:

The nucleus of a cell is a membranous structure normally found in the center of eukaryotic cells and is where most of the cellular genetic material is found, organized in DNA molecules (deoxyribonucleic acid) associated with proteins such as histones, which make up the chromosomes.

The function of the nucleus is to maintain the integrity of the genes in the DNA and to regulate gene expression to control cellular activities. It then controls when DNA is transcribed into RNA (ribonucleic acid) and when it is exported to the cytoplasm to be translated into proteins.

The nucleus is composed of a nuclear envelope consisting of a double membrane that surrounds it, as well as pores that allow the passage of RNA for the regulation of gene expression.

The cells of the inner cheek are classified as non-keratinized stratified squamous epithelium. An epithelium is a tissue made up of joined cells that line the outer surface of the body and inner organs. Squamous cells are flat, scale-like, whereas stratified cells are arranged in multiple layers. Non-keratinized means that the cells constitute soft tissue found in the moist parts of our body, such as the mouth, stomach, among others. In a normal healthy cell, the nucleus is uniformly stained, oval in shape and smaller in relation to the cytoplasm.

The landscape of the Amazon rain forest has become more fragmented over the past half century. Thus, we would say that its _______ has changed.

Answers

Answer:

Structure.

Explanation:

It has changed its structure. Structure is the correct answer.

A student combined equal amounts of two solutions. One solution had a pH of 2 and the other had a pH of 12. Which would most likely be the resulting pH?

Answers

Answer:

This question lacks options, the options are:

A. 1

B. 3

C. 6

D. 11

The answer is C. 6

Explanation:

pH of a solution refers to the concentration of hydrogen ions in that solution. A scale is used to measure pH of a solution.

* A pH value less than (<) 7 is said to be ACIDIC. The lesser the number, the more acidic

* A pH value of exactly 7 is said to be NEUTRAL

* A pH value above (>) 7 is said to be BASIC OR ALKALINE. The higher the number, the more alkaline.

According to this question, two solutions of equal volume with pH values of 2 and 12 respectively were combined. Based on the explanation of pH scale, the solution with pH 2 is said to be very ACIDIC while the solution with pH 12 is said to be very ALKALINE.

Hence, if this two solutions are combined, a neutralization will occur which will result to a solution with close to neutral pH (7). In the above options, 6 is the closest pH value to NEUTRAL and hence, the most likely pH of the resulting solution.

Answer:

6

Explanation:

edge 2022

Que come un conejo????????

Answers

Answer:

La alimentación de los conejos

80% HENO.

15% HOJAS VEGETALES.

5% PELLETS.

HENO: La dieta debe ser muy rica en fibra por lo tanto un 80% de su alimentación diaria debe ser heno. Podemos diferenciar dos tipos de heno, de gramíneas (mezcla de hierbas secas y flores) o de leguminosas (alfalfa, trébol, soja, etc.).

Explanation:

los conejos comen muchos alimentos, pero principalmente verduras

Zanahorias y lechuga

At the back of the brain is the __________ which is primarily responsible for processing information about light and movement

Answers

Answer:

Cerebellum

................

Human-to-human transmission of plague is usually by Group of answer choices unsanitary conditions. the respiratory route. dog flea. rat flea. wounds.

Answers

Answer: The correct answer is respiratory route.

Explanation: Disease can be transmitted from human to human through respiratory route. This can occur when the infected person cough or sneeze into the air , some particles of the pathogens are released and there is any human around the infected person when he sneez or cough, the person tend to get infected by inhaling or breathing in the infected air.

What erythrocyte production disorder results from an autoimmune disease associated with insufficient vitamin B12 absorption (step 6)

Answers

Answer:

The correct answer is -pernicious anemia

Explanation:

Pernicious anemia is a deficiency of erythrocytes or the red blood cells due to by vitamin B12 deficiency in the blood. Of an individual. It could be understood by vitamin 12 deficiency that caused by impaired uptake of vitamin B-12 due to the lack of a substance known as intrinsic factor (IF) produced by the stomach lining.

Answer:

pernicious anemia

hope it helps!!!!!

Sejak bilakah mereka berkawan?​

Answers

What does this mean?

What statement best explains how the mass of an atom is organized?

Answers

Answer:,,,,,,,,,,,

Explanation

Excision of a whole organ or mass without cutting into it as seen in the HoLEP procedure to treat BPH, is called

Answers

Answer:

enucleation po ^-^

Explanation:

ata? correct me if imma wrong -¿-

A man with Type B blood has children with a woman with type A blood. Their children have the following blood types, A, AB, B, and O. What are the genotypes of the parents? What would be the genotypes of the parents if the offspring could only have type AB or A blood

Answers

the child has the blood type of Ab its obvious

Explanation:

only when both alleles is O, the blood group can be O. Thus both parents must have O as one allele

Thus man's genotype: BO or

[tex] { | }^{b} i[/tex]

Woman's genotype : AO or

[tex] { | }^{a} i[/tex]

When

the children can not have O blood

The children cannot have B blood

means the man have BO

[tex] { | }^{b} i[/tex]

and woman have AA

[tex] { | }^{a} { | }^{a} [/tex]

Because

if man have BB, and woman have AA

children can only have AB

if man have BB, and woman have AO

children can only have AB and B

Brainliest please~

which of the following is not a feature of natural selection?

Answers

Answer:

naturally living organisms

Complete the sentences with the appropriate words Cells use ____________ to power most cellular activities that require work.

Answers

Answer:

ATP

Explanation:

David Tilman's study of two diatom species, each with differing abilities to utilize different levels of multiple resources, showed that coexistence is only possible when both resource levels are high. coexistence is only possible when both resource levels are low. coexistence is not possible. coexistence is possible if each species is more efficient at using a different resource than the other species.

Answers

Answer:

coexistence is possible if each species is more efficient at using a different resource than the other species.

Explanation:

Competition is an ecological and evolutive process very common in nature. Competition might be intra- or interspecific. Competition between different species in a community or ecosystem might be due to the same resource use, or the same territory, shelter, etcetera. When a resource is useful for two or more species, and limited, they compete to gain it.

The principle of competitive exclusion states that different species with the same requirements sharing the niche can not coexist indefinitely based on the same limited resource. When two competing species coexist, this is because of niche partitioning or niche differentiation.

Differentiation of effective niche is closely related to character displacement.

Character displacement is the result of interspecific competition, in which two or more species that live in the same habitat manage to avoid competition by developing different traits. Morphological divergence, or any adaptative trait development, fixated genetically, is the product of niche segregation. Species tend to differentiate morphologically in the presence of strong competitors. Traits divergence favors coexistence in the same place.

In the exposed example, both species have different abilities to utilize different levels of multiple resources. If both species live in the same place, this ability is significant to avoid competition and competitive exclusion.  

somebody help. . can someone please tell me the types of layering in root establishment in plants?.​

Answers

Answer:

Layering can be used to multiply many of your favorite plants now growing around your yard and in your home. There are six common types of layering: air, simple, tip, trench, serpentine and mound. Air and simple layering are the most popular types

Explanation:

PLZ MARK AS BRAINLIEST

Answer:

The answer above me is correct

Gravitropism is a response in plants caused by gravity and hormones that allow the cells of the root and shoot systems to elongate with or against gravity. An example of a response enabled by this interaction between gravity and plant hormones is shown in which response below? A. Roots will grow down into the soil allowing the plant to absorb nutrients and water. B. Transpiration allows the movement of water up the xylem and into the leaves. C. Shoots will grow down into the soil, anchoring the plant to the ground. D. Leaves will bend towards sunlight allowing for more glucose to be produced.​

Answers

Answer:

A

Explanation:

The roots will grow downwards tend support gravitropism

Which of the following is NOT
true of the female gamete
development?
A. The central cell divides into four
haploid cells.
B. There are multiple ovules in an ovary.
C. The flower is what draws in pollinators.
D. There is more than one egg cell in each
ovule.

Answers

C is the answer for that

Answer:

It’s D

Explanation:

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the

Answers

[tex] {\bold{\red{\huge{\mathbb{QUESTION}}}}} [/tex]

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the

[tex] \huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}[/tex]

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the Peritubular Capillary network

This network is formed by the Efferent artiole to absorb the non waste martial which is flown out in the ultrafiltration of Glomerular capsule .

Antibody tests are commonly used for rapid diagnosis of many types of infection. However, they are NOT particularly useful for diagnosis of histoplasmosis. Why is this so

Answers

Answer: Antibody tests are not useful because in endemic areas over 95% of the population has been infected without contracting the disease.

(if this is the right answer mark brainliest)

Parte de la variabilidad genética que aporta la meiosis se produce en la

Answers

Answer:

Se produce durante la profase 1 de la meiosis, y en ella se da un entrecruzamiento entre una de las dos cromátidas de los cromosomas homólogos, por lo que las cromátidas resultantes son diferentes entre sí y de las originales.

Explanation:

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A cardboard box without a lid is to have a volume of 4,000 cm3. Find the dimensions that minimize the amount of cardboard used. (Let x, y, and z be the dimensions of the cardboard box.) The Munich Pact, agreed to in the1930s, gave Hitler a part ofA. GermanyB. ItalyC. Czechoslovakia Choose the sentence that would most likely appear as the last sentence in the passage.A. Nevertheless, many people choose a career based on the amount of money they think they will make.B. Incidentally, unemployment is a serious problem in many communities, and benefits will continue to be cut.C. For this reason, one should prepare by keeping up with new technology and studying hard to learn math.D. In particular, architects must know how different materials react to weight and stress so that buildings will be safe. What equation can I use to pick numbers 1-70 if they're picked randomly Read Robert the Monks account of Pope Urban IIs speech.This royal city [Jerusalem] . . . desires to be liberated and begs you to come to her aid. . . . God has granted you above all other nations great glory in arms. Accordingly, undertake this journey eagerly for the remission of your sins, with the assurance of the reward of imperishable glory in the kingdom of heaven.Which best summarizes what the pope is saying?Traveling to Jerusalem is the will of God.Warfare in the name of God is a sin.God has given Jerusalem to the Muslims.God will reward those who liberate Jerusalem. find the slope of the tangent line [tex]m_{tan}[/tex] = f'(a) and then find the equation of the tangent line to f at x = af(x) = [tex]\frac{10}{x}[/tex] ; a = 3 Find the average rate of change of g(x)= 7x^4+7/x^3 on the interval [2,3] Someone please help me ASAP Shampoo manufacturers understand that consumers have different needs when it comes to what type of shampoo they use, such as for curly hair, two-in-one ease of use, or color protection. Knowing that, shampoo manufacturers have divided the market based on these various needs and developed shampoos to accommodate each group. By doing so, these shampoo manufacturers are involved in Find the measure of the missing angle using the exterior angle sum theorm the red line below is perpendicular to which of the following Why were many African American investigated by the House Un-American Activates Committee (HUAC)? Look at the diagram. Which angle is supplementary to 1.) 2.)3.)4.) Find the direction in which the function is increasing most rapidly at the point Po. f(x, y,z)= xy -lnz , Po (1,1,1) Show all work to multiply (3+ Square root of -16)(6- square root of -64) the theater sells two types of tickets: adult tickets for $6 and child tickets for 5$. last night, the theatre sold a total of 375 tickets for a total of $2153. How many adult tickets did the theatre sell why clinical thermometer cannot be used to measure the boiling point of water Which is a legal punishment that could occur if a person is found to be driving while under the influence of acohol? can some one help me :< its music Explain how environment can influence personality.