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Alex787 [66]
3 years ago
10

What combines with sugar and a phosphate group to form a nucleotide

Biology
1 answer:
-Dominant- [34]3 years ago
4 0
Nitrogen Containing Base. It can be either Adenine, Guanine, Thymine, Cytosine, Uracil 
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Carbon is an organic element found in all life forms. Which of the following occurs through the process of
Mumz [18]

Answer:

C is the Answer.

Explanation:

Carbon is an organic element which when broken down will release energy within an organism.  

Process of elimination

A: Wrong because Water has nothing to do with carbon being broken down.

B: Wrong because when carbon is broken down no waste products are being eliminated.

C: Right because Energy is released when Carbon is broken down

D: Wrong because Carbon being broken down has nothing to do with oxygen being absorbed.

5 0
3 years ago
The lac operon can be regulated by two distinct methods. Which of the following statements are correct?The lac operon can be act
Ad libitum [116K]

Answer:

  • The lac operon can be activated by the binding of allolactose to the repressor protein, releasing it from DNA and thereby allowing for transcription to occur.
  • In response to low glucose levels, cAMP is upregulated; the binding of cAMP to the cAMP receptor protein triggers the activation of the operon.

Explanation:

Lactose operon or lac operon  (includes lacZ, lacY and lacA genes) is found in some bacteria and the products of its genes are involved in lactose metabolism. So, this operon is active (genes are transcribed) when lactose is present and glucose is absent (or at low level). The operon is regulated by the lac repressor which acts as a lactose sensor and catabolite activator protein (CAP) which acts as a glucose sensor.

When there is lactose (in the form of allolactose) lac repressor detects it and stops being repressor. This enables transcription.

CAP detects glucose (via cAMP) and activates transcription when glucose levels are low.

5 0
2 years ago
4.In humans, the allele which confers the ability to roll the tongue is dominant over the allele which does not confer the abili
Elan Coil [88]

Answer:

The correct answer is - 1/2

Explanation:

the ability to roll the tongue is dominant over those who can not roll the tongue. The man is Rr (man), heterozygous. The woman is recessive and can not roll

Rr (man) x rr (woman)---Parents

           r

R Rr (roll)

r rr (cann't roll)

The probability of their children to able to roll = 1/2 = 50%

4 0
2 years ago
What is the difference in the function of the proteins and the carbohydrates attached to a cell membrane? What is the difference
densk [106]
Smooth er has less things inside of it and rough is more complex.
8 0
2 years ago
Select the correct answer. alternators are installed on automobiles to power things like the lights and the radio. which kind of
ioda

The kind of device in which an alternator can be categorized is a generator of electric energy.

<h3>What is an alternator?</h3>

An alternator is a tool/device in a car that converts mechanical energy into electrical energy.

The electrical energy generated by using an alternator is alternate electrical energy.

In conclusion, the kind of device in which an alternator can be categorized is a generator of electric energy.

Learn more about alternators here:

brainly.com/question/15904955

#SPJ1

8 0
2 years ago
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