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Pavlova-9 [17]
3 years ago
7

Since the Apollo missions, have American astronauls been continuously in space?

Biology
1 answer:
Mashcka [7]3 years ago
6 0

Answer:

Yes they are actually planning to launch a Rover to Mars soon in around 2030s

Explanation:

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The trp and lac operons are regulated in various ways. How do bacteria regulate transcription of these operons? Sort the stateme
OLEGan [10]

Answer:

Operon is not transcribed:

-lac operon: lactose absent

-trp operon: tryptophan present

Operon is transcribed, but not sped up through positive control:

-lac operon: lactose and glucose present

-trp operon: tryptophan absent

Operon is transcribed quickly through positive control:

-lac operon: lactose present, glucose not

Explanation:

The trp operon is controlled via negative control only.

Presence of tryptophan will inhibit the transcription of the operon genes

The lac operon is controlled via negative control and positive control.

●Negative control:

--Transcription is turned off due to

active Repressor protein and absence of lactose

--Transcription is turned on due to

Inactive Repressor protein and presence of lactose

●Positive control:

--Transcription rate is higher due to absence of transcription and presence of lactose as a regulatory protein (CAP) adhere to the lac operon promoter

8 0
3 years ago
You are working in a molecular biology lab and, unbeknownst to you, your lab partner left the foreign genomic DNA you are planni
fredd [130]

Answer:

B There will be blue colonies only

Explanation:

This screen in called the blue white screening.  This is a rapid test that allows scientist to check for their insert of choice in the colonies at a glance. The concept is that where the insert is located the <em>lac Z </em>gene in the vector is interrupted and therefor Xgal, a reporter can be produced. Where there are blue colonies being formed the plasmid has self-ligated and the <em>lac Z</em> gene is not interrupted and the X-gal can be formed rendering a blue color.

8 0
3 years ago
Cole is making a pedigree chart for the dogs that he breeds. His chart will have shaded shapes to show dogs who carry the domina
nadya68 [22]
You could do this: do the same shape but one shaded and one not
To show that female expressed that trait
Hope this helps you

3 0
4 years ago
Read 2 more answers
How long does it take to get from arizona to germany?
aivan3 [116]
The flight from Arizona to Germany is 11 hours and 38 minutes
8 0
3 years ago
WhatsApp Bacteria is ?
fomenos
I have been to a resturant and I saw something on the menu called WhatsApp Bacteria, I'm not sure that this what you are looking for, that is the form I have seen it. Hope It helps.
7 0
3 years ago
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