BIOLOGY MIDDLE SCHOOL

What is the difference between a runner spitting versus just someone standing still?

Answers

Answer 1
Answer:

Difference between a runner spitting versus just someone standing still

Explanation:

Runners while running do breathe, pant, and heave heavily which leads to spitting in the open as a habitual practice. This spitting while on motion leads to heavy dispersal of aerosol droplets which suspends in the air.

Droplets due to respiratory or spitting sources from any person who is infected with any infectious and contagious viral, bacterial, or other infectious diseases will have high chances of the pathogen present in them.

Further the rate and spread of droplet dispersal and transmission of pathogen will be higher compared to that from someone standing still. This puts greater potential for the spread of such droplet transmitted diseases.

Hence proper distancing should be maintained between runners and others to prevent spread of droplet transmitted diseases.

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Her immune system is exhibiting the _ line of defense. This defense is part of _ immunity.
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HELP URGENT!!! WILL MARK BRAINLIESTin the plant shown, the allele for purple flower color is most likelya. dominant or the allele for the white flowerb. recessive to the allele for white flower colorc. codominant with the allele for the white flower colord. incompletely dominant with the allele for the flower color ​

Which process requires the use of membrane proteins?A) pinocytosis

B) diffusion

C) osmosis

D) facilitated diffusion

Answers

  • When the process required the use of membrane proteins are:

                   Facilitated diffusion

  • According to the cells, when some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly.
  • Although Facilitated diffusion is that the passive movement of molecules across the cell wall via the help of a membrane protein.
  • When it's utilized by molecules that are unable to freely cross the phospholipid bilayer
  • Thus, while others must suffer membrane proteins during a process called facilitated diffusion.

Find out more information about "facilitated diffusion" :

brainly.com/question/13846065

Answer:

In cells, some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.

Explanation: so it is

D :)

You have batch of pea plants with purple flowers that you grew by crossing plants that had purple flowers (PP) with plants that had white flowers (pp).Which will be expressed in this batch of pea plants?

A.
purple flowers (recessive).

B.
white flowers (dominant).

C.
purple flowers (dominant).

D.
white flowers (recessive).

Answers

If I have a batch of pea plants with purple flowers that I grew by crossing plants that had purple flowers (PP) with plants that had white flowers (pp), purple flowers (dominant) will be expressed in this batch of pea plants.

If you had to rename DNA what would you call it and why

Answers

Answer:

genetic material

Explanation:

DNA is what makes up your genetics and it is also a material so genetic material

Which of the following mechanisms is NOT a way that a carbon atom could enter the atmosphere?Combustion
Decomposition
Photosynthesis
Respiration

Answers

Carbon can enter environment through various ways. It can be respiration, combustion and decomposition. The process of photosynthesis does not release carbon to the environment.

What is photosynthesis?

The process by which plants produces their own food i.e., glucose in presence of sunlight and chlorophyll, using carbon dioxide and water. Its equation can be written as

6CO_(2) +6H_(2) O(Sunlight)/(Chlorophyll) > C_(6) H_(12)O_(6)+6O_(2)

Thus, it can be concluded as among the given options, photosynthesis is the process that do not release carbon in environment.

For more information about photosynthesis, visit:

brainly.com/question/1388366

Answer:

photosynthesis

Explanation:

What is the meaning of genetics

Answers

Thescientificstudyofheridityiscalledgenetics.

hopethiswillmakeuunderstand...

Answer: Study of heredity

Explanation:

e.g cancer genetics = study of factors that will make you have a higher chance to inherit and spread cancer

In your garden, you are growing several plants of the species Florus imaginarium. You have observed that some of the individuals have leaves with rounded tips and others have leaves with pointed tips. One of these traits is dominant and the other is recessive. Assuming all the plants in your garden are true-breeding, how would you go about determining which trait is dominant and recessive?

Answers

you would begin to cross breed these plants, and examine the ratios which occurred afterwards.  If all of the F1 generation had pointed tips, that would be the dominant allele.
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