BIOLOGY HIGH SCHOOL

A pH of 2 indicates a(n) _____.

Answers

Answer 1
Answer: A pH of 2 indicates a acid.
Answer 2
Answer:

Answer:

its a strong acid to be exact

Explanation:

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Which part of the sperm cell contains mitochondria necessary to power its trip through the reproductive system?A. headB. midpieceC. tailD. nucleus
Which is the genotype of the unknown offspring on row two of the Punnett square above? A. IBIB B. IBiO C. IBIA D. none of the above
How do oxbow lakes form? A. It is formed as lakes grow larger due to erosion and begins to look like an ox. B. It is formed when a bend in a river is cut off to form a lake. C. It is formed when a delta grows large enough to cut off a river to form a lake. D. It is formed when a dam stops the flow of a river and creates a lake.
The study of which structure was instrumental in the formulation of the modern cell theory? plant cell animal cell cell membrane DNA molecule

Which component of a virus is injected into an infected cell? tail section nucleic acid protein capsid mitochondrion

Answers

The correct answer to the question above is nucleic acid. The component of a virus, nucleic acid, is injected into an infected cell. All viruses contain a nucleic acid, which also carries its deoxyribonucleic acid and ribonucleic acid. 

NUCLEIC ACID you welcome

Which of the following terms refers to how genetic traits are expressed? A. Display
B. Genotype
C. Phenotype
D. Dominance

Answers

The correct answer is Phenotype - C.

A phenotype is the expression of our genes that is also shaped by our environment. 
While we surely are predisposed to certain states due to our genetics, we are at the same time co-determined by our environment and their interaction. It is very hard to take these two factors apart. However, the correct answer indeed is C in this case. 

Which of the following are characteristics of generalist species?a. small habitat and restricted diet
b. large habitat and varied diet
c. restricted diet and physiological adaptations
d. behavioral and physiological adaptations

Answers

Answer;

B.large habitat and varied diet

Explanation;

-Behavioral and physiological adaptations are two characteristics of generalist species. A generalist species can adapt to different environments and resources. Omnivores animals are some example of generalists species. A generalist species is able to thrive in a wide variety of environmental conditions and can make use of a variety of different resources.

b. Generalist species are not specialized, they do not have many adaptations. They can live in a large range of environments or habitats and eat a variety of foods.

The marine flatworms (polycladids) are the smallest of the free-living flatworms sometimes reaching lengths of 15 centimeters true or false?

Answers

False!

The marine flatworms (polycladids) are the greatest of the free-living flatworms. Most of them are about 1 centimeter in length, but there are some species that can reach lengths of 15 centimeters. They belong to the Phylum Platyhelminthes or flat worms. A great number of species are parasites, but there are some species that are free-living and they belong to the group of Polycladids.

Describe the details you were able to see when viewing specimens with scanning electron microscope

Answers

Answer:

The scanning electron microscope allows the elaboration of an image in which the surface characteristics of the sample are reflected, thus providing sufficient information on the shapes, textures, and chemical composition of the constituents.

Explanation:

The scanning electron microscope uses electrons instead of light for imaging.

To achieve this, the team has a device that produces an electron beam that allows the entire sample to be illuminated and, through different detectors, the electrons that are produced from the interaction with the surface of the sample are later collected.
The scanning electro microscopesallows you to view three dimensional picture of the sample.You could see all the different outer structures on the base of each sample

Unlike DNA, RNA contains the nitrogenous base called a
Adenine
b
Phosphate group
c
Thymine
d
Uracil

Answers

The answer is D
It contains the base Uracil.
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What element has fewer valence electrons than magnesium