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Alchen [17]
4 years ago
15

Why do some species have more chromosomes than others?

Biology
1 answer:
Helga [31]4 years ago
6 0
Maybe since they are different species they have different things that they adapt to so they won’t have the same chromosomes as other species especially since they aren’t the same species
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Has anyone taken the Biology B Unit 3: Animals unit test yet? If so can someone give me the answers.
8_murik_8 [283]

Answer:

1)A

2)D

3)B

4)B

5)D

6)C

7)D

8)D

9)C

10)C

11)C

12)A

13)A

14)B

15)C

16)C

17)True

18)False

19)False

20)True

21)Cladogram

22)Body Plan

23)Deuterostomes

24)Tools

25)Osmosis

26)Sensory Neurons

27)External

got 100% hope that helps anyone

Explanation:

5 0
3 years ago
in a series of experiments Griffith infected mi've with oa nonvirulent r strain bacteria and highly virulent s strain bacteria.
Andrej [43]

Answer:

This demonstrate the transforming principle.

Explanation:

Griffith performed the experiment on the virulent bacteria and non- virulent bacteria. The non- virulent bacteria produce rough colonies and did  not cause pneumonia. The virulent bacteria produces smooth colonies that kill the mice and caused pneumonia.

When Griffith mixed the on virulent bacteria and heat killed virulent bacteria he found that the mice were killed. He concluded that there was transforming principle that turns the non- virulent bacteria into virulent bacteria from the heat killed bacteria. Something, has been transferred from the heat killed bacteria to the non- virulent bacteria. Later, he found that dead mice blood sample contained both the non-virulent rough bacteria strains and virulent smooth strains of bacteria.

6 0
3 years ago
Look at the diagram of the cell membrane. Would a cell membrane be able to function in the same
oksian1 [2.3K]

Explanation:

The membrane would be too rigid. The unsaturated fatty acids allow the membrane components to maintain their fluid mosaic structure-the components slip past each other freely and adjust to changes in osmotic pressure within the cell.

Further Explanation:

Lipids consist of fatty acids forming the hydrophobic tail and glycerol forming the hydrophilic head; glycerol is a 3-carbon alcohol that is water-soluble, while the fatty acid tail is a long chain hydrocarbon (carbon-backed hydrogen) of up to 36 carbohydrates.

Their polarity or arrangement can confer hydrophilic and hydrophobic properties on these non-polar macromolecules. Small water molecules can pass through the phospholipid bilayer through diffusion into the extracellular fluid or cytoplasm as a semi-permeable membrane, both of which are hydrophilic and contain large concentrations of polar water molecules or other water soluble compounds. The heads of the bilayer are hydrophilic the bilayer are attracted to water while their water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.

Other components include:

  • Cholesterol: The comparatively rigid cholesterol anchors other molecules attached to the membrane, maintains membrane stability or structural integrity, and helps to separate some lipids, helping with membrane fluidity at low ambient temperatures.
  • Transmembrane proteins are embedded from the extracellular fluid into the cytoplasm within the membrane, and are sometimes attached to glycoproteins (proteins attached to carbohydrates) that function as cell surface marker.

Learn more about membrane components at brainly.com/question/1971706

Learn more about plasma membrane transport at brainly.com/question/11410881

#LearnWithBrainly

7 0
3 years ago
7. Predict: How do you think a period of hot summers will affect the rabbit population?
Assoli18 [71]
I think a period of hot summers will affect the rabbit population in a positive way. This is because it will allow the population to increase in size, and get ready for the harsh weather to come throughout the rest of the year.
8 0
3 years ago
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The answer is letter choice C...
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