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noname [10]
3 years ago
9

A cell with more mitochondria than a sperm cell would be a skin cell. O True O False

Biology
1 answer:
Klio2033 [76]3 years ago
4 0
FALSE
A sperm cell always has more mitochondria than a skin cell.

Why? The sperm's midpiece contains many mitochondria so that a supply of energy is available for the sperm to perform its function of traveling to and later fertilizing the egg.

Could u give me Brainliest answer plz
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A number of marine reptiles and birds have salt glands, which have a remarkable ability to concentrate salt solutions for excret
Lemur [1.5K]

Answer:

A)100mL  B)50mL  C)The second option  D)Hypoosmotic Environment

Explanation:

The average Na concentration in the seas and oceans of the world is around 3,5% which mean that in 100 ml of sea water, there is around 3,5 grams of Na.

The weight of one mol of NaCl is 58,44 grams. For 3,5 grams of NaCl, we get 3,5/58,44 = 0,060 mol of NaCl which is 0,060x1000 = 60 mmol/100ml. According to this and the information given in the question about the secretion of the salt glands', if the average sodium concentration is 600mmol/L, we have 60*10 = 600mmol/L so it would take 100 mililiters of water to excrete.

If the average Na concentration of the salt gland's secretion were 300 mmol/L, only 50 mililiters of water would be needed to excrete the same sodium load.

The second option of secretion is hyperosmotic to seawater because the concentration is higher.

Osmoregulation is the process of balancing the amount of water and salt between the body of the organism and its surrounding environment. For salt glands to be advantageous for osmoregulation, they need to be in a hypoosmotic environment.

I hope this answer helps.

3 0
3 years ago
Consider the stage of cellular respiration that is shown in the diagram.
ELEN [110]

I wanna say D, but I’m not entirely sure

6 0
3 years ago
████████████████████████████████████████
d1i1m1o1n [39]
DescriptionPineapple juice is a liquid made from pressing the natural liquid from the pulp of the pineapple tropical plant. Numerous pineapple varieties may be used to manufacture commercial pineapple juice, the most common of which are Smooth Cayenne, Red Spanish, Queen, and Abacaxi.
6 0
3 years ago
Which statements best describe shared characteristics? Check all that apply.
Masteriza [31]

a~ shared characteristics are features or qualities that organisms or species have in common.

c~ shared characteristics can be characteristics that existed in the common ancestor and still exist in modern organisms.

d~ shared characteristics can be new characteristics that have been modified from what was found in the common ancestor.

i hope these are correct, if they aren't, i'm so sorry.

btw, i love your username!!

rose from blackpink? Imaoo :D~

3 0
3 years ago
Read 2 more answers
"what did you have for lunch an hour ago?" before i asked you that question, the information was in your _______________ mind.
sweet-ann [11.9K]
It would be B) unconscious. I know this because when you're not thinking about something it is not in your conscious mind, so it would be in your unconscious mind.
3 0
2 years ago
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