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3 years ago

Which macromolecules are commonly used to make atp in humans?

Biology

1 answer:

tamaranim1 [39]3 years ago

3 0

Cellular respiration and photosynthesis

I think?

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When a living organism dies, it stops taking in new carbon. Thus, as the radioactive carbon-14 decays, the ratio of carbon-12 to

Alexxandr [17]

Answer: The fossil is 11459 years old.

Explanation:

Half-life of carbon-14 = 5700 years

First we have to calculate the rate constant, we use the formula :

$k=\frac{0.693}{5700\text{years}}$

$k=1.21\times 10^{-4}\text{years}^{-1}$

Now we have to calculate the age of the sample:

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 = $1.21\times 10^{-4}\text{years}^{-1}
t = age of sample = ?
a = let initial amount of the reactant = 100 g
x = amount decayed = 75 g
a - x = amount left after decay process = 100 - 75 = 25 g Now put all the given values in above equation, we get
[tex]t==\frac{2.303}{1.21\times 10^{-4}}\log\frac{100}{25}$

$t=11459years$

The fossil is 11459 years old.

4 0

3 years ago

A student wants to buy a new cell phone. Teen Mobile charges $15 a month plus $10 for every one gigabyte of data used. Bruh-rizo

dmitriy555 [2]

Answer:

The unit rate. The gigabyte remains since it's already a unit value "Every one gigabytes." So,

Teen Mobile: $0.5 per day and $10 for every gigabyte. so, y = 0.5x + 10

Bruh-rizon: $1 per day and $7 for every gigabyte. so, y = 1x + 7

Explanation:

Teen Mobile: Bruh-rizon:

x = Monthly y = 30x + 7y

y = each gigabyte

y = 15x + 10y

4 0

3 years ago

Enzymes are important because they: contain water, speed up chemical reactions, contain genetic material, help the cell main

Svetradugi [14.3K]

The answer is B. Speed up chemical reactions. Hope this helps.

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3 years ago

What species are currently evolving for aquatic environments?

Fofino [41]

Answer: Hello Luv.......

How whales and dolphins evolved for life at sea ... important ways to allow these animals to transition from terrestrial to aquatic environments.

Explanation:

From tropical corals to tawny owls, some species are already being pushed to ... For instance, an experiment growing brewer's yeast in environments with deadly ... Before there was "Climate Change" there was STILL evolution. ... and Horses Dig Wells That Provide Water for a Host of Desert Species.

Hope this helps.

Mark me brainest please...

Anna ♥

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3 years ago

A plant or animal that carries a disease or parasite during part of its life cycle is called a(n):

Amanda [17]

Answer:

it could probably be host

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3 years ago

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