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myrzilka [38]
3 years ago
12

Discuss the effect of caffeine administration on the frequency of Daphnia heart contractions? How does this effect change with i

ncreasing the dose of caffeine?
Biology
1 answer:
Vedmedyk [2.9K]3 years ago
8 0

Answer:

Discuss the effect of caffeine administration on the frequency of Daphnia heart contractions? How does this effect change with increasing the dose of caffeine?

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(ONLY ANSWER IF YOURE GOOD AT SCIENCE, NO SPAM!!) Bacteria play many roles in nature. How do they affect us? From the list below
emmasim [6.3K]

Answer:

A, C, D (as far as I know, however I might have missed something or added something)

4 0
2 years ago
Which of the following statements is true about the chromosomes in animal cells?
Kisachek [45]

Q. Which of the following statements is true?

A. Chromosomes occur in pairs in higher plants and animals.

B. There are more chromosomes in a cell than there are genes.

C. All organisms have the same number of chromosomes.

D. A karyotype cannot determine if an organism is male or female.

Answer:

A karyotype cannot determine if an organism is male or female. Thus, the correct option is D.

<h3>What is karyotype?</h3>

A person's entire set of chromosomes is known as their karyotype. The phrase can also refer to an image created in a lab showing a person's chromosomes separated from one cell and organized in numerical order. A karyotype can be used to check for chromosomal number or structural problems.

Males and females may have different karyotypes. For instance, human females have two X chromosomes while males have an X and a Y chromosome in their karyotype. Body (somatic) cells and egg and sperm cells have different karyotypes (gametes).

For more information regarding karyotype, visit:

brainly.com/question/1327739

#SPJ1

5 0
3 years ago
Does protein synthesis occur frequently in cells? If so, why.
Allisa [31]
Yes because of the E.R.

8 0
3 years ago
How do the distances between the terrestrial plants compare to the distances between the gas giants?
Nimfa-mama [501]

Answer:

They are different from rocky or terrestrial planets that are made of mostly rock. Unlike rocky planets, gas giants do not have a well-defined surface – there is no clear boundary between where the atmosphere ends and the surface starts! The gas giants have atmospheres that are mostly hydrogen and helium.

Explanation:

I hope this helps!

4 0
3 years ago
Does the sand at night have less kinetic energy than the sand on a sunny day?​
STatiana [176]
Because the sun heats up the sand causing the atoms to move much faster than at night
6 0
3 years ago
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