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amm1812
2 years ago
12

11. Damaged seeds would ________ on top of water.

Biology
1 answer:
mafiozo [28]2 years ago
6 0

Answer:

11. Float

12. Bacteria

13. Polymer.

14. Hydrogen.

15. Water.

16. Climatic.

17. Prokaryotic.

18. Length.

19. Large.

20. Frequency.

Explanation:

11. Damaged seeds would float on top of water. This is because they are typically empty and as such lacking in any form of nutrient.

12. Cholera is caused by bacteria. This bacteria is scientifically called Vibrio cholerae.

13. Like synthetic fibre, plastic is also a polymer.

14. Metals react wih acids to produce hydrogen gas.

15. The Fire produced by oil cannot be controlled by water.

16. Migratory birds fly to far away places because of climatic changes.

17. Cell without well organised nucleus are called prokaryotic cells.

18. Time period of a pendulum depends on its length. Thus, the time period of a pendulum is directly proportional to its length i.e as its length increases, the time period also increase.

19. The size of pupil becomes larger when you see in dim light.

20. Shrillness of a sound is determined by the frequency of vibration.​ A shrill sound refers to a type of sound that is typically sharp, high pitched and as such has higher frequency.

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Answer:

1.) The solute molecules will not move between the two sides because the membrane does not have large enough spaces for the molecules to move through. The water molecules will move to the right side because water moves to places of a higher solute concentration.

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2 years ago
From which graph below would you conclude that velocity decreases directly with time?
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3 years ago
2. Which of the genotypes listed above would provide the strongest evidence that the alleles for blood type are co-dominant? Ple
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Answer:

AB

Explanation:

Blood group is discovered by famous scientist Karl Landsteiner in the year 1990. Co-dominance is the expression of the two alleles in the heterozygotes. In AB type, the two different alleles are present and they are expressed.

However in ABO type, it is govern by three allele namely A, B and O type. If only the antigen A is present, it is called A blood type. When only B antigen is present it is called B blood type and when both A and B are present, it is called AB blood type. And if neither of the antigen are present, it is called the O blood type.

The allele O is of recessive to both the blood type A and B. So a person with O blood type have two copies of O allele. But however A and B blood type are dominant of O, a person with A blood type may have one of the two genotypes --  AO or AA. Similarly, with blood type B, the genotypes are BO or BB.

3 0
3 years ago
3. Which statement concerning an ecosystem is correct?
brilliants [131]

Answer:

C) It involves interactions between biotic and

abiotic factors.

Explanation:

Ecosystems need energy imput, need both consumers and producers, and can exist on land, lakes, rivers and oceans.

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The nurse is assessing the nutritional status of a 3-month-old baby. the mother informs the nurse that she feeds the baby with c
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