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vovikov84 [41]
2 years ago
8

1 . What happens in the population if the mutation phenotype is helpful

Biology
1 answer:
pashok25 [27]2 years ago
7 0

Answer:

1. The population will increase as they're better adapted to their environment and have a higher survival rate due to this helpful phenotype.

2. This happens to the population because this helpful phenotype might lead to less exposure to predation in which leads to a better survival fitness for the organism.

3. This mutation continues to exist as the organisms continue to successfully reproduce into the population due to being able to survive for longer.

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After infection of a cell, a viral particle must transport itself to the nucleus in order to produce viral proteins. What is the
kykrilka [37]

Answer:

Double-stranded DNA

Explanation:

If a virus requires to transport its genome in the nucleus to produce viral protein then the viral genome content must be DNA. This DNA of the virus will use the RNA polymerase of the host cell and will first convert into mRNA in the nucleus.

Then the mRNA of the virus will come out of the nucleus because the protein synthesis takes place outside the nucleus and in the cytoplasm. So in the cytoplasm by using host translational machinery the viral mRNA will code for viral proteins. So the correct answer is double-stranded DNA.

3 0
3 years ago
What are biofilms, how do they form, and how can biofilms complicate treatment of infectious diseases?
Elis [28]

Answer:

<u>Biofilms are</u> defined as complex communities of microorganisms that grow embedded in a self-produced polymeric organic matrix and adhered to a living or inert surface, and that can present a single microbial species or a range of different species

Explanation:

The bacteria that form the biofilm are in what is called sessile form, exhibiting a phenotype different from those of the same cells in unicellular or free form (planktonic form) with respect to the growth rate and gene transcription (Donlan, 2002 ).

<u> The formation</u> of biofilms is an adaptive strategy of microorganisms, since growth in biofilm offers four important advantages: (I) protects microorganisms from the action of adverse agents, (II) increases the availability of nutrients for their growth, (III) facilitates the use of water, reducing the possibility of dehydration and (IV) enables the transfer of genetic material (DNA). All of these circumstances can increase your survival capabilities. As a consequence, <u>the usual methods of disinfection or the use of antibiotics are often ineffective against biofilm bacteria</u>.

In addition to the risk of contamination, the development of biofilms can interfere with different processes and cause damage to the equipment. In drinking water systems the formation of biofilms can obstruct the pipes reducing their speed and transport capacity causing an increase in energy consumption. The formation of biofilm in heat exchangers and cooling towers can reduce heat transfer and as a consequence its efficiency in the process. The formation of persistent biofilms on metal surfaces can cause corrosion due to acid production by bacteria.

6 0
3 years ago
What is the name for fingerlike projections that protrude from the absorptive mucosal cells of the small intestine into the lume
allsm [11]

Answer:

Villi

Explanation:

In the small intestine, villi are found present. These villi which appear like a finger-like tissue structure are about 0.5–1.6mm in length in human beings.They have mucosal cells that help in absorption of nutrients. A villus has several microvilli, which increases the surface area of the intestinal wall for faster absorption of nutrients.

6 0
3 years ago
Which region of the human brain best distinguishes us from other animals?
MAVERICK [17]

Out of the following given choices; a. reticular formation b. cerebral cortex * c. limbic system d. hypothalamus

The answer is B. This region of the brain is responsible for cognition, consciousness, thought, and memory. It is these qualities, especially self-awareness and cognition, that distinguishes humans from other animals. It enables humans to reason, plan and have great social intelligence.


5 0
3 years ago
GIVING BRAINLIEST, THANKS AND FIVE STARS!
yaroslaw [1]

Answer:

Electrical energy Explanation:

We use it to charge our phones and important devices. We also use it to power almost everything.

8 0
3 years ago
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