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3 years ago

Choose all the answers that apply.

Biology

2 answers:

11111nata11111 [884]3 years ago

8 0

The answer is 2 and 5

* can breed and create fertile offspring

* have similar morphology

Species is defined as group of organisms that are of the same morphology (may have multiple lines within the group) and has the ability to mate and produce viable, fertile offspring.

agasfer [191]3 years ago

6 0

Answer:

The answers are options 2 and 5.

Explanation:

The focuses ought to be that it can breed and make fruitful posterity, have comparative morphology .Species is characterized as a gathering of life forms that are of a similar morphology may include various lines inside the gathering and can mate and create reasonable, ripe posterity.

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The lactose (lac) operon in E. coli is an example of a repressed gene when lactose is not available in a cell. In 3-5 sentences

irakobra [83]

Answer:

Please find the detailed explanation of this statement below

Explanation:

Firstly, a repressed gene is a gene whose expression has been inhibited or repressed. The lac operon in E.coli bacteria is a regulatory unit containing structural genes, a single promoter and operator regions. The promoter is the region where the transcription enzyme (RNA polymerase) binds to in order to transcribe the genes in the lac operon. The structural genes in the lac operon can only be expressed in the presence of lactose sugar.

However, in the absence of lactose, LAC REPRESSOR, which is a transcription factor (protein), prevents the binding of RNA polymerase to the PROMOTER region by binding to the OPERATOR region of the lac operon. This inhibits the expression of the lactose genes in the operon.

Note that, the structural genes in the lac operon (lacZ, lacY, lacA) code for proteins that help break down lactose sugar for energy in the E.coli bacteria. Therefore, a bacteria cell with a repressed lac operon will be unable to degrade lactose sugar.

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horrorfan [7]

Answer:

adaptation, extinction, and the creating of new species

Explanation:

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The blood cells containing hemoglobin, an iron-containing protein that transports oxygen, are called __________.

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Determining the likelihood of two samples with the same characteristics being from two different sources is calculating

Artyom0805 [142]

Answer: Comparison

Comparison is the determining the likelihood of two samples with the same characteristic being from two different sources.

Explanation:

While comparison is made there is always a certain similar character taken which are common in nature. After the two topics are placed in front then decision can be made easily on various basis. 

Comparison does gives the definition for the good and the bad, pretty and ugly. It can also be sued in a negative way to dominate someone.

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