BIOLOGY HIGH SCHOOL

Which of the following statements about physical models is not true?a. Physical models are often three-dimensional representations.
b. Physical models are used to represent an object or event.
c. Physical models are usually in the form of a graph.
d. Physical models can be used to depict microscopic objects

Answers

Answer 1
Answer: c. Physical models are usually in the form of a graph.

Physical models represent and display certain paradigms and theoretical representations of how one mechanism functions or what is the components that make up an object, for instance. Hence, these aid scientists and other learners to have an overview of that is currently on the process. 
Answer 2
Answer:

Answer:

C. is the right one just took test

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Which best differentiates between chemical digestion and mechanical digestion? Chemical digestion happens in the small intestine; mechanical digestion happens in the mouth.

Chemical digestion involves the breaking down of food with enzymes;
mechanical digestion is breaking down food by chewing and tearing with teeth.

Chemical digestion is the breakdown of fats; mechanical digestion is the breakdown of proteins.

Chemical digestion is done only by the major structures of the digestive system; mechanical digestion is done by the accessory structures of the digestive system.

Answers

The answer is Chemical digestion involves the breaking down of food with enzymes; mechanical digestion is breaking down food by chewing and tearing with teeth. 

Mechanical digestion means breaking down food mechanically. By chewing and tearing with teeth, food breaks down into smaller parts and no enzymes are used. Chemical digestion means breaking down food in a chemical manner. This is achieved by secreting enzymes, which break down chemical bond between food molecules.
 The Best answer to the question stated above is "Chemical digestion involves the breaking down of food with enzymes; 
mechanical digestion is breaking down food by chewing and tearing with teeth. "

Mechanical digestion prepares food for chemical digestion.  It involves the chewing and mixing food with saliva, churning of food in the stomach, segmentation of intestines rhythmic local constrictions of intestine, causes mixing improves absorption. On the other hand chemical digestion breaks down complex food molecules into chemical building blocks, enzymes secreted into alimentary canal lumen.

Which of the following disciplines is not part of environmental science?A. Pseudoscience
B. Social sciences
C. Humanities
D. Natural and physical sciences

Answers

pseudoscience means like fictional science or like beliefs that aren’t scientifically backed but still are seen as science, so i would assume it’s A

Which level of organization is represented by a bone in our body?tissue
cellular
organ
system

Answers

A bone is tissue. It forms a part of the skeletal system which is made up bones, joints, ligaments and cartilage.Cells work together in groups known as tissues. A tissue is defined as a group of similar cells working together to carry out a certain task. Examples are skin, bone, blood.Tissues in turn are grouped together to form organs. An organ is defined as a group of tissues that work together to carry out a certain task . Examples are heart, lungs, liver.

Answer:a) Tissue

Explanation: even though it looks hard, the bone  is still a tissue along with ligaments and cartilage

Two heterozygous white (brown fur is recessive) rabbits are crossed

Answers

Final answer:

In the cross between two heterozygous white rabbits, the offspring would exhibit a phenotypic ratio of 3 (white fur) : 1 (brown fur). This color distribution is governed by the principles of Mendelian inheritance and reflects the existence of multiple alleles.

Explanation:

When two heterozygous white rabbits (the genotype would be Cc) are crossed, the resulting punnett square yields genotypic and phenotypic ratios. Possibilities for offspring would be 25% CC (showing the dominant phenotype, white fur), 50% Cc (also showing the dominant phenotype, white fur), and 25% cc (showing the recessive phenotype, brown fur). Overall, the expected phenotypic ratio is 3 (white) : 1 (brown).

This phenomenon reflects the principles of Mendelian inheritance in biology which involve dominant and recessive traits and genotypes, as well as multiple alleles and how they influence phenotype. The wild-type allele C+ is expressed as white fur, whereas the mutant allele c expresses as brown fur.

Learn more about Mendelian inheritance here:

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Salmonberry leaf cells contain 14 chromosomes. How many chromosomes will a new leaf cell contain after mitosis ?

Answers

The new leaf will contain 14 chromosomes, because during mitosis, a cell makes an exact copy of itself. Therefore, the number of the chromosomes in that cell stay the same.
the new leaf will contain 14 chromosomes as that of the parent cell

You are looking at tissue under a microscope. One cell shows half the amount of DNA of some of the other cells. This cell is most likely to be in which phase of the cell cycle?G2
G1
M

Answers

i dont even know i will guess it is g1
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