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sladkih [1.3K]
2 years ago
12

‼️WILL GIVE BRAINLIEST TO CORRECT ANSWER‼️

Biology
1 answer:
Helen [10]2 years ago
6 0
<span>1. Measure the mass of an empty container 2. pour the desired liquid in to this container and wait for it to settle. 3. measure the mass of the container + liquid 4. subtract the empty container mass to find the liquid's mass Note: some scales have a tare feature (it defines a weight of zero), which you measure the container's mass, use the tare option, and then pour the liquid and wait for it to settle. Also, when you use a scale, in truth you measure weight. It then divides by the known gravity field to find a "weight" in kilograms, which we accept to equal the mass in kilograms. You only truly measure mass when using a balance. It compares the torque on the balance arm of the object's weight to the torque on the balance arm of a slide-able weight. A balance will record the same mass in any gravitational field.</span>
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What accounts for genetic biodiversity existing in modern multicellular organisms?
EastWind [94]
DNA mutations that actually originate in the gametes is mainly responsible for genetic biodiversity existing in modern organisms. The term biodiversity actually refers to the variety as well as variability of life that is found on the planet earth. his variety can be seen between species, the ecosystem and within the species.<span />
8 0
3 years ago
Which method(s) can be used to join double-stranded breaks in DNA? (choose all that apply)
Amiraneli [1.4K]

Answer:

Option (a) and (d).

Explanation:

The breaks in DNA molecule may occur due to replication error and oxidizing agent. The double-stranded breaks in DNA can be corrected by Homologous end joining and non homologous end joining.

Homologous end joining is used to repair the DNA present in G2 nad S phases of the cell cycle. The homologous sequences of DNA is used to repair the DNA. Non homologous end joining occurs in the cell present at G0 and G1 phase of the cell cycle. The DNA broken ends are juxtaposed and later rejoin together by DNA ligase.

Thus, the correct answer is option (a) and (d).

3 0
3 years ago
The pH scale measures the acidity of a substance. It is a negative logarithmic scale. A pH of 3 has a hydrogen ion concentration
Hitman42 [59]

Answer:

The correct answer is: a pH 2 solution has a <u>10000 times</u> greater hydrogen ion concentration than a pH 6 solution.

Explanation:

The pH scale is a measurement used to describe the acidity of a solution, and this acidity is given by the concentration of H+ (hydrogen ion) in said substance. A solution with a greater concentration of H+, is more acid than a solution with a smaller concentration of H+ and, therefore, has a lower pH. Given that the pH scale is a negative logarithmic scale, a solution with a pH of 3 has a ten times greater H+ concentration than a solution with a pH of 4.

A pH 2 solution has 10 times more H+ ion concentration than a pH 3 solution, 100 times more H+ ion concentration than a pH 4 solution, 1000 times more H+ ion concentration than a pH 5 solution, and 10000 times more H+ ion concentration than a pH 6 solution.

6 0
3 years ago
Which organelle is involved in the storing of water in plant cells?
Y_Kistochka [10]

Answer:

Your answer would be Vacuoles

Explanation:

7 0
2 years ago
Read 2 more answers
I need help last option is extrusive igneous
zloy xaker [14]

Answer:

B I think. tell me if it's correct

7 0
3 years ago
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