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Rainbow [258]
3 years ago
12

From the giraffe story, give an example of the following:

Biology
1 answer:
Andru [333]3 years ago
5 0

Answer:

1. Each Giraffe's neck length is different

2. The tall neck Giraffes reproduced and their off spring inherited their genes

3. A drought occurred.

Explanation:

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Animals are made up of eukaryotic cells, meaning they have a ________ which contains the DNA.
fgiga [73]

Answer:

Animals are made up of eukaryotic cells, meaning they have a nucleus which contains the DNA. :)

4 0
3 years ago
28) The graph below shows how the activity of an enzyme changes at different temperatures.
puteri [66]

Answer:

d) The enzyme changes shape and can no longer speed up the reaction

Explanation:

Enzymes aare protein in nature therefore sensitive to changes in temperature. Most enzymes have an optimum temperature ranging from 35-40°c. As the temperature increases, optimum temperature is reached where the rate of reaction is maximum. Temperatures above 40-63°c denatures the enzymes making them non effective thus the reaction decreases sharply.

4 0
3 years ago
What’s the difference between heal cells and human cells?
Vesnalui [34]

Answer:

HeLa cells, like many tumours, have error-filled genomes, with one or more copies of many chromosomes: a normal cell contains 46 chromosomes whereas HeLa cells contain 76 to 80 (ref) total chromosomes, some of which are heavily mutated (22-25), per cell.

Explanation:

3 0
3 years ago
KINDLY explain to me what selectively permeable means in simple words like really simple cause am revising cell stuff
blsea [12.9K]

Answer: Selectively permeable means a membrane allows the passage of some molecules or ions and inhibits the passage of others. The capacity to filter molecular transport in this manner is called selective permeability.

Explanation:

Shortened: This means the membrane only allows some things to pass through while others can't.

Hope this helps! ^^

7 0
3 years ago
Read 2 more answers
1. What is the first line of defense against infection for the human body?
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White Blood cells or WBC's are the cells of your immune system. They are your first defense in fighting off foreign invaders and infectious diseases.


-Medical Student (College Level)

7 0
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