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AVprozaik [17]
3 years ago
15

What are hydrogen bonds

Biology
1 answer:
Ivenika [448]3 years ago
7 0

Answer:

C) a covalent bond between oxygen and hydrogen

Explanation:

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The "seams" where the pieces of the skull meet are known as what?
Morgarella [4.7K]
D is the answer
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6 0
3 years ago
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What is the meaning of photosynthesis ​
stepladder [879]

Answer:

Photosynthesis is the process by which plants and other things make food.It is an endothermic (takes in heat) process.Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy.

Explanation:(what happens in this process)

-Sunlight energy is converted into chemical energy by using chlorophyll.Gives plants their green color to the plants.

- Chlorophyll absorbs red and blue light and uses the energy to convert water and carbon dioxide into glucose.

- Plants convert sugar and energy from water, air and sunlight into energy to grow

- formula for photosynthesis :  6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy

-formation of carbohydrates from carbon dioxide and a source of hydrogen in the chlorophyll-containing cells (as of green plants) exposed to light.

- Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis .

-  plants breath in carbon dioxide and breath out oxygen.

8 0
3 years ago
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In the image above, what lettered section represents 2 chromosomes, each with 1 chromatid?
earnstyle [38]

Diagram D represents 2 chromosomes, each with 1 chromatid which contain a centromere at the medium level.

<h3>What is cell division?</h3>

Cell division is the process by which cell divides, which requires the prior duplication of the genetic material during the synthesis (S) phase.

Subsequently, the genetic material is condensed in prophase to form a chromosome having two sister chromatids linked at the centromere level, which separate during anaphase.

The phases of cell division or mitotic cycle in which sister chromatids and chromosomes are separated into daughter cells include prophase, metaphase, anaphase and telophase.

In conclusion, Diagram D represents 2 chromosomes, each with 1 chromatid which contain a centromere at the medium level.

Learn more about cell division here:

brainly.com/question/3762056

#SPJ1

5 0
2 years ago
53)
seraphim [82]

                            <u>r</u>                <u>r</u>

<u>R</u>                       Rr                Rr

<u>r</u>                       rr                  rr

Genotype of the mother with freckle trait is rr. This means that it is a recessive  trait.

Genotype of of the father having clear facial skin is Rr, showing that it is a dominant trait. There can be two genotypes for this trait that is Rr and RR.

When these parents are crossed, they produce 50% offsprings with the freckles trait (rr) and 50% with clear facial skin ( Rr).

Therefore, the likelihood of the first child with freckles is A

Hope this helped , Danielle xo

5 0
3 years ago
I ,kindly request to have a precise note on Biology and technology
DanielleElmas [232]
Notes for what exactly?
7 0
3 years ago
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