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Oksi-84 [34.3K]
3 years ago
12

1. Which best describes the structure of a phospholipid? WA SER .

Biology
1 answer:
Nataly_w [17]3 years ago
5 0

Answer:

A phospholipid is consists of a glycerol backbone with a 2 fatty acids (either saturated or unsaturated) attached to it and a phosphate group, hence forming the head of the phospholipid molecule. I have attached a photo below for your reference.

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The cell is undergoing meiosis Il. Which stage of Meiosis Il is the cell in?
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Answer:

Hi, there the answer is Anaphase II

Explanation:

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Why does the oceanic crust sink beneath the continental crust at a subduction boundary?
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The answer is B hope this helped!
8 0
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Which of the following statements is true of offspring from organisms that reproduce asexually?
Veronika [31]
A) the offspring are genetically identical to the parent. 
The reason for this is that there are no different traits being passed down that could alter the offspring's appearance. If there is sexual reproduction, then the offspring shares both of the parent's traits. If there is only one parent, then there is less diversity. <span />
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3 years ago
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What is the difference between the axial and appendicular skeleton?
Serga [27]

Answer:

C.

Explanation:

The axial skeleton include the vertebrae, sacrum, coccyx, ribs, and sternum. The main focus of these is to protect the vital organs. The appendicular skeleton is made up of pectoral and pelvic girdle along with forearms, hands, feet, ankle. The main purpose, movement.

8 0
3 years ago
Usatestprep--According to the model, what is the role of maltose in the maltose operon?
allsm [11]

Answer:

<u>Inducer</u>

<u></u>

Explanation:

Structural proteins within bacteria are encoded along with their functions. These are typically found in a block of genes called an operon. They undergo transcription together with the use of a single promoter sequence to form a polycystronic transcript- this allows for the simultaneous control and regulation of biochemical pathways. This is efficient as these pathways would either need to function together when "switched on" or will not be needed when "switched off". Repressors are proteins that effectively hinder translation by binding to DNA at the operator site, blocking the activity of RNA polymerase in transcription. However inducers are small molecules that can displace these, freeing up the operon for transcription and the activation of relevant biochemical pathways.

The mal operon includes genes which mediate the breakdown of the substrate maltose in bacterial cells. Maltose, called a malt sugar, is a carbohydrate compound made up of two glucose molecules joined by an α-(1,4) glycosidic linkage.

In the presence of maltose, the inducer binds to the activator. This then allows for the binding of RNA polymerase, which facilitates translation and th epr

5 0
3 years ago
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