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maxonik [38]
3 years ago
7

Friction is generated when _____ interact with each other on sliding surfaces.

Biology
1 answer:
Sveta_85 [38]3 years ago
3 0
When a surface is sliding we can see interactions between those slides,if that occur there's a friction.
for more info please explain and ask the problem clearly.
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What term is used to describe a planned with a genotype of PP
kozerog [31]
Homozygus- same
the PP are the same allele

The genotype would be 100% homozygus and then whatever the P stands for.

Homozygus P
5 0
4 years ago
What are produced in two almond shaped organs?
hoa [83]
Egg cells are produced in the almond shaped organs. This is called the Female Reproduction System.   Hope this helps. Got any questions? Just comment down below if you're unsure about my answer!
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What does the surface area represent in a cell
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The surface area is used to get substances in or out through the cell's membrane.
4 0
4 years ago
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65. In dogs, wire hair (H) is dominant over straight hair (h). Two dogs produce offspring as shown in the Punnett square below.
valentina_108 [34]

About the question:

I failed to find the complete question with the Punnett square, so in the answer and explanation I will propose five options for crosses between dogs with different genotypes, and for each option, I will remark the percent of the offspring that is expected to have wirehair. You just need to look for the option that matches your Punnett Square.

Answer:

  • Option 1: HH  x HH ----> 100% of the progeny is wire-haired, HH
  • Option 2: HH x Hh---> 100% of the progeny is wire-haired, HH + Hh
  • Option 3: Hh  x  Hh --->75% of the progeny is wire-haired, 25% HH + 75% Hh
  • Option 4: Hh  x  hh ---> 50% of the progeny is wire-haired, Hh
  • Option 5: hh x hh ----> 0% of the progeny is wire-haired

Explanation:

You will find the complete explanation in the attached files due to technical problems

Download pdf
5 0
3 years ago
What are the 1st and 2nd line of defence of plant against pathogens?
sladkih [1.3K]

Answer: These may be:

  • physical defenses  (1st line)
  • chemical defenses (2nd line)

Explanation:

Plants employ several methods in order to defend themselves from pathogens. These may be physical defenses or chemical ones. Several have adaptations to their surfaces that prevent the entry of pathogens, called physical barriers such as

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  • thorns, which are modified plant branches
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Chemical defenses include the production or secretion of:

  • defensins
  • antimicrobials such as tannins or resins
  • gum at areas facing pathogenic attacks

6 0
4 years ago
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