Biopsychologists who study the physiological correlates of psychological processes by recording physiological signals from the surface of the human body are often referred to as psychophysiologists.
- 1949; The Organization of Behavior written by D.O. Hebb; played a key role in biopsychology's emergence as a major neuroscientific discipline; provided a formalized outline of how brain physiology could explain behaviors.
- Neurons are the cells that receive and transmit electrochemical signals.
- Psychology is the the scientific study of behavior (all overt activities of the organism as well as all the internal processes that are presumed to underlie them).
- Comparative Psychology is the study of the evolution, genetics, and adaptiveness of behavior, largely through the use of the comparative method
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The repressor protein is coded by the i gene.
<h3>What is the function of the repressor protein in lac operon?</h3>
A protein known as a repressor prevents one or more genes from being expressed. The i gene codes for the repressor protein. The repressor protein inhibits messenger RNA synthesis by attaching to the promoter region of the gene(s). For the control of gene expression in cells, repressor proteins are crucial.
Repressors and activators of gene expression in bacteria are different from one another. However, depending on how a DNA binding protein interacts with other proteins in the cell or in other biological contexts, higher eukaryotic cells can use it as either an activator or a repressor of gene expression. As repressors, additional components like non-coding RNA may also be present.
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The stages of the cell division at which each process occur would be as follows:
- Chromatin condenses into chromosomes - prophase
- chromosomes align in the center of the cell - metaphase
- The longest part of the cell cycle - interphase
- the nuclear envelope breaks - prophase
- the cell is cleaved into two new daughter cells - cytokinesis
- daughter chromosomes arrive at the poles - telophase
The cell cycle is characterized by two major events:
- The interphase
- The m phase
The cell prepares itself at the interphase by growing and increasing in volume, synthesizing DNA and proteins. Thus, the interphase takes a large chunk of the entire cycle.
The m phase represents mitosis. It is characterized by the following phases:
- Prophase: nuclear envelope dissolves, chromatin condenses to become chromosomes
- metaphase: chromosomes align at the center of the cell. Each chromosome gets engaged by spindles
- anaphase: chromosomes are pulled apart by spindles. Sister chromatids start moving to opposite poles
- telophase: migration to the pole is completed by chromatids
Once the chromatids reach poles, they decondense and a nuclear envelope emerges to surround them. The cytoplasm then divides to give rise to 2 daughter cells in a process known as cytokinesis.
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Answer:
marine vegetation/ marine life
Explanation:
Answer:
Option one.
Explanation:
Hormones are controlled by a negative feedback loop.
