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3 years ago

Is growth a characteristic of all living thing

Biology

1 answer:

cupoosta [38]3 years ago

4 0

Answer:

Yes

Explanation:

Put differently, growth is the most fundamental characteristics of living bodies accompanied by various metabolic processes that take place at the cost of energy. The processes can be anabolic or catabolic.

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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

2 years ago

Which of the following is true about cells

erma4kov [3.2K]

What are the answer choices

3 0

3 years ago

An original section of dna has the base sequence agcgttaccgt. a mutation in this dna strand results in the base sequence aggcgtt

ycow [4]

<span>How can a mutation in a DNA base sequence cause a change in a trait?</span>

8 0

3 years ago

Compare hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens to the cell?

algol13

When an environment is hypotonic, the cell has more solute so solvent move from outside the cell to inside causing the cell to swell.

WHAT IS TONICITY?

Tonicity is the ability of a solution to induce water loss or water gain in a cell. A solution can either be; hypertonic, hypotonic or isotonic

A hypertonic solution has more concentration of solute than its surroundings while a hypotonic solution has less concentration of solute compared to it's surroundings.

If a hypotonic solution has less solute, this means that it will have more solvent (water). Based on the principle of osmosis, water moves from a region of high concentration to region of low concentration.

Hence, water will move into a cell that is located in a hypotonic environment, causing it to swell.

Learn more: brainly.com/question/13802181?referrer=searchResults

3 0

2 years ago

6.Explain how animals in Vertebrata are classified into further subgroups.

tiny-mole [99]

Answer:

Vertebrates are further classified according to several criteria like exoskeleton, respiratory organs, method of giving birth, number of chambers in heart, mode of living etc. They are further classified into classes Pisces, Amphibia, Reptilia, Aves and Mammals

5 0

3 years ago