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Komok [63]
3 years ago
12

What technological tools allow scientists to study bacteria?

Biology
2 answers:
Ivenika [448]3 years ago
4 0

Answer:

Microscopes allow scientists to study bacteria :)

ELEN [110]3 years ago
4 0
Microscope allows scientists to study bacteria
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Population tend to move to the average height; not too many really short ones or really tall ones. A. Directional Selection B. D
Alenkinab [10]

Answer:

Hi there the answer to this is A Directional Selection

Explanation:

Directional Selection is considered a 'positive' selection in which favored phenotypes is favored over other phenotypes causing the allele frequency to shift over time. This deals with the height from short to tall. Giraffes are a great example of directional selection.  

Hope this was correct :)  

4 0
3 years ago
When an E. coli cell is infected by multiple phages, what route of infection (lytic or lysogenic) will the phages take? Why?
Artyom0805 [142]

Answer:

When an E.coli cell is infected by multiple phages,they will take either lytic or lysogenic pathway.

Explanation:

When lambda phage bacteriophage infects an E.coli,it can either undergo lytic cell growth and lyse the host cell or enter lysogenic pathway.

The operator region of lac operon in E.coli contain single repressor binding site whereas the lambda operators O_{L} and O_{R}  each contains 3 repressor binding sites (O_{L_1} ,    O_{L_2},O_{L_3} and O_{R_1},O_{R_2},O_{R_3})  that are differently occupied under different conditions.

The differential affinity of lambda repressor for the three binding sites in these operators play an important role in the maintenance of lysogenic state of lambda prophage in E.coli.

The lytic development occurs in cells infected with lambda phage that carry  C_1 gene.

In contrast,lysogeny will occur in bacteria that infected with lambda phage that harbor a deletion of Cro gene.

8 0
3 years ago
The culture is stored at the proper growth temperature for three days. Upon assessment, visible growth is noted. In order to sep
lora16 [44]

Answer:

inoculation

Explanation:

Inoculation is the microbiology term used when an organism is transferred to a medium rich in necessary minerals and energy sources  for the organism to grow. The organism is called an inoculum while the medium is called growth medium

4 0
3 years ago
Benthos are organisms that live
Ghella [55]

Answer:

Benthos are organisms that live

Examples:

Amphora

Cylindrotheca

Diploneis

Euglena

Fallacia

Gyrosigma

Navicula

Nitzschia

Plagiotropis

Staurophora

Please mark as brainliest please please

3 0
3 years ago
Examine the image of the Hertzsprung-Russell diagram.
SashulF [63]

Answer: A. Cool

Explanation:

The diagram shows that moving from the left to the right indicates a lower temperature and the arrow is pointing to stars to the right which means that they are cool in comparison to those on the left.

Red stars like the one being pointed to are the cooler stars with temperatures of less than 6,000 Kelvin as opposed to blue stars which are very much hotter and go above 10,000 Kelvin.

8 0
2 years ago
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