Answer:
When viewing a specimen through a light microscope, scientists use special stains to distinguish the individual components of cells.
Explanation:
Microscope cell staining -
Microscope cell staining is a method that is used to for the better visualization of the cells and the parts of the cell , when are studied under microscope .
Stains are basically a type of biological tissues .
By the use of different type of stains , a nucleus of the cell or the cell wall of the cell are viewed easily , cells are sometimes stained in order to highlight metabolic process and can be used to find the difference between a dead or a live cell .
Some type of stains are specific for living cells , but some stains can work both for living as well as the non living cells .
B. In maternal effect, an offspring will have the genotype of their mother.
C. In a reciprocal cross, if an offspring has the mother's phenotype for both crosses, cytoplasmic inheritance is responsible.
D. The direction of shell coiling in Lymnaea peregra is influenced by the orientation of the first cleavage division.
E. It is safe to say that a maternal effect is caused by the genotype, not the phenotype, of the parent producing the egg.
Answer:
Answer is D.
Explanation:
The first cleavage division can be explained or described as the series of first cellular division of the zygote after fertilization.
In this case, the process of recoiling of the shell of the snail can not be categorized as one of the examples at this stage.
b. 41-101
c. 51-59
d. 71-77
region of the mrna contains the open reading frame that will be translated into protein that is 51-59 shown in picture.
What are the different classes of protein ?
Protein is complex biomolecule made up of a multiple chain of amino acid formed by peptide bond which is a linear chain structure and it can be classified into two types such as complete and incomplete proteins.
Complete proteins contain all of the essential amino acids required for the body which include meat, fish, poultry, dairy, and soy products.
incomplete Foods where one or more essential amino acids are absent are called as incomplete proteins which include beans, grains, nuts, and vegetables.
it can be classified into five major Classes such as Enzymes, Structural Proteins, Transport Proteins, Regulatory Proteins and Hormones. where Enzyme catalyse the biochemical reactions in the body and Structural proteins provide support for cells and tissues.
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aggregate fruit
multiple fruit
accessory fruit
The correct answer is D. Accessory fruit
Explanation.
Fruits are structures that develop from the fertilized ovary of plants and that contain the seed of it, this includes simple, aggregate and multiple fruits. However, there is one type of fruits that do not develop from ovary but from other tissues that are usually near the ovary, these fruits are called accessory or pseudo fruits as they do not fit completely the definition of regular fruits, this includes fruits such as strawberries or pineapples that develop from tissues different to the ovary.
Answer:
the correct answer is accessory fruit
Explanation:
mark me as a brainliest
Answer:
The mixture of nucleotides required for this procedure is called dNTPs.
Explanation:
When the polymerase is used in a PCR procedure, to replicate a molecule or DNA fragment, use a combination of nucleotides called dNTPs.
DNTPs are nothing less than DNA nucleotides, applied as reagents in a PCR solution, which provide the material necessary for the polymerase to replicate DNA, even outside a biological system.
Answer:
Pepsin is an enzyme present in the gastric juice which digests the proteins of the food material.
These pepsin are synthesized as pre-proenzymes or inactive forms by chief cells in the gastric mucosa of the stomach. These inactive forms consist of a signal peptide, activation peptide and active enzyme which gets activated in the acidic environment of stomach by Hydrochloric acid.
The stomach secrets this enzyme in an inactive form to prevent the digestion of protective proteins present in the lining of the digestive tract.
Crust
asthenosphere
mesosphere
its a drag and drop question to its right location.
Answer:
Physical Layers:
- Crust
- Mantle
Compositional Layers:
- Asthenosphere
- Mesosphere
Explanation:
Physical Layers refer to the layers of the Earth based on their physical properties such as their state (solid or semi-solid) and how they behave. The two primary physical layers are the Crust and Mantle.
- Crust: The Earth's Crust is the outermost layer, which includes the solid ground we walk on. It is relatively thin compared to the other layers and is where we find the continents and ocean floors.
- Mantle: The Mantle lies beneath the crust and is semi-solid, extending to a depth of about 2,900 kilometers (1,800 miles). It's responsible for the convective movement of the Earth's tectonic plates.
Compositional Layers, on the other hand, are based on the chemical composition of the Earth's interior. They include:
- Asthenosphere: The Asthenosphere is part of the upper mantle and is composed of partially molten rock. It's semi-fluid, allowing for the movement of tectonic plates. This is crucial for plate tectonics and the Earth's surface dynamics.
- Mesosphere: The Mesosphere is not typically considered a distinct compositional layer in the Earth, but rather part of the lower mantle. It consists of solid rock that behaves plastically, allowing for convection currents to occur deep within the Earth.