Question

If there is a large amount of lactose present, how does bacteria respond?


The gene for beta-galactosidase turns on.


The gene for beta-galactosidase turns off.


Lactose is produced.


Beta-galactosidase production increases.

Answer 1

i want extra knowledge

Answer 2

@sammixboo
@imqwerty

Answer 3

@quickstudent

Answer 4

@Hayhayz

Answer 5

@AloneS

Answer 6

i also want to understand.

Answer 7

@.Sam.

Answer 8

somebody!

Answer 9

@Anaise

Answer 10

@Jadeishere

Answer 11

Hey there! So sorry you haven't found anyone to answer your question yet! I'll try to help you as best as I can! :)

Answer 12

Ah it's ok, thanks for helping me.

Answer 13

No problem! Okay so have you ever heard of Lactose Intolerance?

Answer 14

Yes

Answer 15

Well, actually, let's go back a step, sorry.

Let's cross off any options that are not valid or could not be correct with the given information.

Let's start with D. Do you know what Beta-galactosidse is?

Answer 16

*galactosidase

Answer 17

I'm having a hard time what beta-galactosidase is and or does. Although I heard about lactose intolerance, I haven't figured out what

Answer 18

oh ok

Answer 19

That i'm not to smart about

Answer 20

I'm doing some research and it might look like it's A, but that's just a risky guess, which is why i need a little extra understanding.

Answer 21

Haha it's okay. Many people don't know what it is, it's not a lack of intelligence. Well, basically, it breaks down glycosidic bonds. Glycosidic bonds are covalent bonds that connect glucose to another molecular group.

Answer 22

ah ok

Answer 23

Do you know how much sugar/fat (carbohydrates) there are in a typical gallon of milk?
Way too many. So, when there are large amounts of lactose entering the human body, we instantly go into action, trying to break the bonds down so we don't go into shock.

Answer 24

That's what i was seeing in Wiki, here's what it says: β-galactosidase, also called beta-gal or β-gal, is a glycoside hydrolase enzyme that catalyzes the hydrolysis of β-galactosides into monosaccharides through the breaking of a glycosidic bond.

Answer 25

Don't always trust wiki, it can be a dangerous tool.
And yes, B-gal is short for Beta- Galactosidase

Answer 26

and that glucosdic bond is broken by β-galactosidase,

Answer 27

ah crap, that is true

Answer 28

which means it has to be A

Answer 29

or MAYBE d

Answer 30

Lol yeah
Back to the question at hand. When lactose is entering the body, galactose is entering, basically. Galactose is milk + sugar. So our body pumps up it's B-gal ennzyme, to fight the incoming waves of galactose.

Answer 31

oh, so b-gal production increases?

Answer 32

meaning it's D?

Answer 33

The gene is always turned on. We are constantly fighting the galactose intake so we don't go into cardiac arrest, so which one would it be?

Yes. Great job :)

Answer 34

oh so it IS D.

Answer 35

Thanks for actually giving me understanding and knowledge and not just a straight answer

Answer 36

Can you help me with one more question?

Answer 37

I hate giving direct answers >.<

And I can most definitely try to help with another :)

Answer 38

alright, i'll close this question and open another.

Answer 39

Kay! :)

Answer 40

Sorry, I was getting my hair done