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velikii [3]
3 years ago
14

Which three of the following are components of the cell membrane?

Biology
1 answer:
nalin [4]3 years ago
4 0

Answer:

The principal components of the plasma membrane are lipids ( phospholipids and cholesterol), proteins, and carbohydrates.

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The information carried by a dna molecule is in __________.
Papessa [141]

Answer:

Sequence of nucleotides in the DNA strand

Explanation:

Deoxyribonuceic acid or DNA is a biological material that stores the genetic information of an organism.

DNA encodes the information through the order or sequence of the nuceotides along each strand. Organisms differ from one another because their respective DNA molecule have different nucleotide sequences and consequently, carry different biological instructions.

A DNA strand consists of two polynucleotide chains, composed of four nucleotide subunits. Each of these chains is known as DNA strand. Hydrogen bonds between the base portions of the nucleotides hold the two chains together. DNA nucleotides are composed of a 5-carbon sugar (Deoxyribose) to which are attached one phosphate group and a nitrogenous base (Adenine, Guanine, Cytosine and Thymine). The nucleotides are covalently linked together.

5 0
3 years ago
Khorana used synthetic mrnas to determine genetic code possibilities. to do so, he translated synthetic mrna in vitro in the pre
meriva
For the answer to the question above, I think this is <span>False and the answer is based on the book, Nirenberg, and Matthaei. 19- unlabeled amino acids. Cys-Val-Cys-Val. (pg. 318 & 319)</span>. I hope I helped you somehow. Have a nice day!
7 0
4 years ago
What causes the nebula to collapse into a flattened spinning disc?
viktelen [127]
Due to collisions between particles in the spinning cloud, the solar nebula begins to flatten. The particles in the gas cloud first have all different speeds in different directions. As they start colliding with each other, their final velocity is the average of the two initial velocities before collision.
5 0
3 years ago
If a muscle contracts isometrically for a long period of time, an EMG (which records the electrical activity in the muscle) reco
oksian1 [2.3K]

Answer:

During the course of a continuous isometric contraction of given strength, the electrical activity progressively increases. This is due to recruitment of motor units taking place to compensate the decrease in force of contraction occurring in the fatigued muscle fibres.

Explanation:

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Explain how is the process of photosynthesis central in sustaining life on Earth?
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The sun rays are received by the plants and explell oxygen and we breath the oxygen to be able to survive
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