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adelina 88 [10]
3 years ago
15

Different types of cells within an organism_______.

Chemistry
2 answers:
Olin [163]3 years ago
6 0

Answer:

B.)

Explanation:

Anwser is b yw c:

marshall27 [118]3 years ago
3 0
The answer would be b
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Please answer asap!
hram777 [196]
1.) A compound is a thing that is composed of two or more (separate) elements.

2.) A compound cannot be separated easily, while its properties differ from where it originates from. It also is formed from chemical reactions.

3.) A pure substance, also known as chemical substance, is a material with constant composition and consistant properties.

4.) If a substance is not a pure substance, then it is an impure substance.

Hope this helped. :)
4 0
3 years ago
(-15)+(-12)+14<br><br>how do u simplify ​
Lena [83]

Answer:

-15-12-14=-13

Explanation:

we simplify by opening the bracket

5 0
3 years ago
True or False: A theory is something that can never be proven correct or incorrect?
cestrela7 [59]

Answer:true

true

Explanation:

8 0
3 years ago
How to find the number of neutrons in an isotope?
Alexeev081 [22]
Chemical properties of elements are primarily determined by the electrons but not by neutrons. Therefore, the isotopes of the same element have similar chemical behavior. (a) The atomic number is 17, so there are 17 protons and 17 electrons. The mass number is 35, so there are 18 (=35-17) neutrons. Hope this helps. :)
4 0
3 years ago
Which ligand binds tightest? ligand A, with a dissociation constant ( Kd ) of 10−9 M ligand D, with a percent occupancy of 80% a
Delvig [45]

Answer:

The answer will be Ligand A with a dissociation constant (Kd) of 10^{-9}M

Explanation:

When the dissociation constant in the ligand is small (in order of nano) ( 10^{-9}) it will be more tied. Due to a dissociation constant measures how much a ligand can be able to be separated from the protein so if the number is small it means that the ligand is highly binded to the protein.

On the other hand, the occupancy percentage of the ligand does not imply binding. Conversely, a High-affinity ligand binding with the proteins implies that a relatively low concentration of a ligand is adequate to occupy the maximum ligand-binding site.

6 0
3 years ago
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