The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
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 :
Now we have to calculate the age of the sample:
Expression for rate law for first order kinetics is given by:
where,
k = rate constant =
The fossil is 11459 years old.
Answer:
If you want to get it right put C
Explanation:
AP3X
Answer:
No.
Explanation:
The number of chromosomes is not related to the complexity of the organism. Humans have a total of 2n=46 or 23 pairs of chromosomes while the average earthworm has 2n=36 or 18 pairs. The complexity of the organism is related to the way the chromosomes are structured inside of the organism.
TRUE
These are commonly called as the joints in the body. They all have those features such;
articular capsule- a double layer of capsule that makes up the synovial joint,
joint cavity - this is a cavity that contains articular cartilage about 3 ml of synovial fluid.
synovial fluid= these acts as lubrincants and shock absorber
ligaments- reinforced the joints and it connects bone