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emmasim [6.3K]
3 years ago
14

Plsssssss helppp!!!!!!!

Biology
1 answer:
slavikrds [6]3 years ago
6 0

Answer:

Um how do you answer it ???

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Which process makes it possible for all the major organs of the body to be formed by week 10 of human development?
zimovet [89]

Embryonic development involves process of formation and development of an embryo. In humans, during the early stages, 10 weeks of embryonic development, all the major body organs are formed.

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3 years ago
Which one of the following activities seems to be innate for dogs?
il63 [147K]
Innate activities are activities that are intrinsic, which means activities that are part of our genetic and physiological being. Examples: desire to feel good, to feel warm, to have no pain,...
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According to these explanation the following activities seems to be innate for dogs:
B. Submitting to its owner - the dog has connection and life with his owner
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3 years ago
Which of the following substances are too large for carrier proteins?
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A glucose molecule is too large to pass through a cell membrane via simple diffusion. Instead, cells assist glucose diffusion through facilitated diffusion and two types of active transport.

So the answer is B
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2 years ago
What helps ID the cell ?
Dafna1 [17]

Answer:

am not sure of the answer

8 0
3 years ago
Wood deposits recovered from an archaeological site contain 36% of the C-14 they originally contained. How long ago did the tree
Veseljchak [2.6K]

Answer: It was obtained 8515 years ago

Explanation:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant

t = age of sample

a = let initial amount of the reactant

a - x = amount left after decay process  

a) to find the rate constant:

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

t_{\frac{1}{2}}=\frac{0.693}{k}

k=\frac{0.693}{5760}=0.00012years^{-1}

b) for completion of 36% of reaction

t=\frac{2.303}{k}\log\frac{100}{36}

t=\frac{2.303}{0.00012}\log\frac{100}{36}

t = 8515 years

The time was 8515 years.

3 0
3 years ago
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