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kifflom [539]
3 years ago
9

I PUT THIS AS 20 POINTS SO PLEASE HELP! :(

Biology
1 answer:
slava [35]3 years ago
8 0

Answer:

Mate

Explanation:

If they are fighting over control over female seals, they are fighting over mates.

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Physical change
love history [14]

Answer:

Im pretty sure its D or A

A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another.

4 0
3 years ago
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Some substances that were not initially filtered in the glomerulus, but must be eliminated from the blood, become a component of
dolphi86 [110]

Some substances that were not initially filtered in the glomerulus, but must be eliminated from the blood, become a component of urine through the process of urine formation.

Urine: A liquid excrement consisting of water, salts, and urea, which is made in the kidneys then released through the urethra.

The process of urine formation involves 3 major steps:

  1. Filtration:- Blood enters the afferent arteriole during filtration, flowing into the glomerulus where filterable blood components—such as water and nitrogenous waste—move toward the interior of the glomerulus and nonfilterable blood components—such as cells and serum albumins—exit via the efferent arteriole.
  2. Reabsorption: During this, ions and molecules will be returned to the bloodstream. As the fluid's osmolarity (ion concentration) fluctuates, water and ions are eliminated as it moves through the proximal/distal convoluted tubules, the loop of Henle, and the collecting duct.
  3. The process of secretion involves the removal of various substances from the blood into the collecting duct, including hydrogen ions, creatinine, and medications. Urine, the final result of all these procedures, is essentially a collection of chemicals that have not undergone tubular or glomerular reabsorption.

To know more about urine visit the link:

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5 0
1 year ago
What is cross-pollination?
torisob [31]
The answer is B. Cross-pollination occurs when pollen fertilizes female egg cells on the same flower.
4 0
3 years ago
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Q2.1 - Hydrogen bonds can form with bases on the opposite DNA strands in the double helix, or between the bases and H2O in the s
Natali [406]

Answer:

Explanation:

In the  structure of  Nucleic acids the nucleobases (nucleotide and bases) are arranged is  a specific  form.This form of arrangement is called Base stacking.It simply refers to the bond formed between the adjacent bases.

These nitrogenous bases of (A,T,C.G) pairing  in DNA are in planes in geometry.The bases planes stack  with one another.This form of arrangement  give rooms for more Van der Waals interactions in the plane of the bases.Although the Van der Waals are weak interactions,the bond ensure that these bases are braided or twisted together to give maximum energy,to maintain stability of the bases,and therefore of DNA structure

Therefore in water  and other aqueous solution the stability of  structure of DNA is enhanced by the base stacking,(coiling or twisting)with maximum van der waals interaction  among the bases, than the hydrogen  bonds formed between bases.Generally there are more stacking among G-C,than A-T,thus the former pairing contribute more the structural stability than the latter (A-T)

7 0
3 years ago
Which of these is an example of kinesis? select one:
luda_lava [24]

The right option is a. flea is more active in a dry environment

Kinesis is an activity or physical movement of a living cell or an organism in response to a stimulus such as light intensity or humidity. Under kinesis, the response to the stimulus activated by an organism is non-directional.






4 0
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