Actin and myosin, found mostly in muscles cells, are made up of which type of macromolecule?Nucleotides
Proteins
Lipids

Answers

Answer 1

Answer:

Answer: Proteins

Actin belongs to a family of globular multifunctional protein and myosin is a belongs a family of motor proteins. Both actin and myosin combines to form microfilaments. These are found in the eukaryotic cells. In humans and animals the combination of actin and myosin is responsible for contraction and relaxation of muscles in the presence of ATP.

Answer 2

Answer:

Final answer:

Actin and myosin, which are primarily found in muscle cells, are macromolecules made up of proteins. These proteins are critical in muscle movement and function.

Explanation:

Actin and myosin are made up of proteins. Proteins are one of the macromolecules vital for building and repairing tissue. In the context of muscle cells, actin and myosin play a pivotal role. They interact to cause muscle contraction, a process vital for movement. Actin is a thin filament while myosin is a thicker one, and they slide past each other to cause the contraction of the muscle. Therefore, proteins have a substantial role in muscle movement and function.

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Which scientist developed the idea that microorganisms can cause diseases?Paul Ehrlich
Anton van Leeuwenhoek
Louis Pasteur
Alexander Fleming

Answers

Answer;

Louis Pasteur

Explanation;

He was French chemist, this man discovered that heat could kill bacteria that otherwise spoiled liquids including milk, wine, and bee.

He developed germ theory and pasteurization and also demonstrated the Germ Theory of Disease.

The germ theory was his idea that microorganisms might cause disease.

It met great resistance at first because for centuries disease was believed to be punishment for an individual's crimes or misdeeds.

Answer:

Explanation:

Choose all the answers that apply.Minerals must _____.

-be inorganic
-be organic
-be made naturally
-have a crystalline structure
-be a solid
-have a homogenous composition

Answers

Answer:

Mineral refers to the substance naturally formed in the environment.

They usually have homogenous with a definite however not fixed chemical composition.

They are solid and inorganic in nature.

They are required by our body in a trace amounts in order to maintain normal physiology of the body.

Examples: aluminium, zinc, magnesium, sodium, potassium etc.

Hence, all options are correct except organic.

be inorganic
be made naturally
have a crystalline structure
be a solid
have a homogeneous structure

Question 17 of 25Which strand of mRNA would be made during transcription using the DNA
strand shown below?
GCA TAG
A. GCU AUG
B. TAG GCA
C. CGU AUC
D. GCT ATC

Answers

Answer: The answer is C

Explanation: C and G pair with each other and T pairs with A and A pairs with U

The physical traits of an individual are inherited through information stored ____ in the ______.

Answers

the actual answer is

Chemically in the DNA

im 100% sure

Answer:

Chemically in The DNA

Explanation:

Water molecules are polar, which give water its unique properties. One important property is water is the universal ________A. Solvent

B. Drink

C. Liquid

D. Solute

Answers

Answer:

A. solvent

Explanation:

Its called the universal solvent because its capable of dissolving more substances than any other liquid.

The Great Burdock plant’s seeds have spines on them that attach to the fur of animals that brush against it. The seed then travels with the animal until it eventually falls off, which spreads the plant’s seeds farther than the plant could have done. What type of symbiotic relationship is this?

Answers

The answer is commensalism.

Commensalism is a relationship between two organisms in which only one of them has benefit, and the other one is not affected. In this example, the Great Burdock's plants spread their seeds using animals, so they benefit from this relationship. On the other hand, animals neither have benefits not are harmed from the relationship.
Therefore, the relationship between the Great Burdock plants and animals is the example of commensalism.

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