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Praxis 5435 Exam Practice Questions and Answers| 100% Pass

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Praxis 5435 Exam Practice Questions and Answers| 100% Pass Active Transport - Answer️️ -mechanisms include exocytosis and endocytosis. Involves transferring substances from areas of lower concentration to areas of higher concentrations through the use of energy in the form of ATP. Endocyto...

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  • September 16, 2024
  • 58
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Praxis 5435
  • Praxis 5435
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Praxis 5435 Exam Practice Questions
and Answers| 100% Pass


Active Transport - Answer✔️✔️-mechanisms include exocytosis and endocytosis.

Involves transferring substances from areas of lower concentration to areas of higher

concentrations through the use of energy in the form of ATP.


Endocytosis - Answer✔️✔️-the ingestion of large particles into a cell, can be categorized

as phagocytosis (ingestion of a particle), pinocytosis (ingestion of a liquid), or receptor

mediated.

exocytosis - Answer✔️✔️-a vacuole containing the substance to be expelled attaches to

the cell membrane and expels the substance

passive transport mechanism - Answer✔️✔️-include simple and facilitated diffusion and

osmosis and do not require energy from the cell.

Diffusion - Answer✔️✔️-when particles are transported from areas of higher

concentrations to areas of lower concentrations. when equilibrium is reached, diffusion

stops.

facilitated diffusion - Answer✔️✔️-when specific molecules are transported by a specific

carrrier. carrier proteins vary in terms of size, shape, and charge.

mitosis - Answer✔️✔️-when cells replicate, the daughter cell is an exact replica of the

parent cell



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, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM


meiosis - Answer✔️✔️-when cells divide, the daughter cells have different genetic coding

than the parent cells. This can only happen in specialized reproductive cells called

gametes.

Water molecules are important for: - Answer✔️✔️-It is a strong solvent for ionic

compounds such as salt.

It acts as a transport medium for polar solutes.

Metabolic reactions happen in solutions that contain water.

It can act as a temperature buffer for enzyme-catalyzed reactions.

It is used in photosynthesis.

It is used or formed in oxidation and reduction reactions.

cell division - Answer✔️✔️-is performed in organisms so they can grow and replace cells

that are old, worn out, or damaged.

chromatids - Answer✔️✔️-during cell division, the DNA is replication, and these are the

two identical replicated pieces of chromosome that are joined at the centromere to form

an "x"

Gametes - Answer✔️✔️-these are cells used by organisms to reproduce sexually. In

humans, they are haploid, meaning they contain only half of the organism's genetic

information (23 chromosomes).

haploid - Answer✔️✔️-means there is one set of chromosomes

diploid - Answer✔️✔️-there are two sets of chromosomes (one set from each parent).

Homeostasis - Answer✔️✔️-describes the ability and tendency of an organism, cell, or

body to adjust to environmental changes to maintain equilibrium


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, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM


gene expression - Answer✔️✔️-this refers to the use of information in a gene to make a

protein or nucleic acid product. examples of nucleic acid products are tRNA and rRNA.

transcription - Answer✔️✔️-this refers to the synthesis or RNA from DNA

translation - Answer✔️✔️-Synthesizing a protein from an mRNA strand

cellular differentiation - Answer✔️✔️-This is the process by which a cell changes to a new

cell type

interphase - Answer✔️✔️-the cell prepares for division by replicating its genetic and

cytoplasmic material. can be further divided into g1, s, and g2

prophase - Answer✔️✔️-chromatin thickens into chromosomes and the nuclear

membrane begins to disintegrate. pairs of centrioles move to opposite side of the cell

and spindle fibers begin to form. mitotic spindle, formed from cytoskeleton parts, moves

chromosomes around within the cell.

metaphase - Answer✔️✔️-the spindle moves to the center of the cell and chromosome

pairs align along the center of the spindle structure.

anaphase - Answer✔️✔️-the pairs of chromosomes, called sisters, begin to pull apart,

and may bend. When hey are separated, they are called daughter chromosomes.

Grooves appear in the cell membrane.

telophase - Answer✔️✔️-the spindle disintegrates, the nuclear membranes reform, and

the chromosomes revert to chromatin. in animals, the membrane is pinched. in plants, a

new cell wall begins to form.

cytokinesis - Answer✔️✔️-this is the physical splitting of the cell into two cells. it begins

during anaphase as the cell begins to furrow and is completed following telophase.

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