How many ribosomes are actively synthesizing proteins at any instant in an
e. coli cell growing with a 45-min doubling time?
what are three types of passive transport that occur in our body
Final answer:
Three main passive transport types in the human body are diffusion, osmosis, and facilitated diffusion, all of which involve the movement of molecules or ions across cell membranes without the need for cellular energy.
Explanation:
Three types of passive transport that occur in our body are diffusion, osmosis, and facilitated diffusion.
Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration until equilibrium is reached.
Osmosis, a specific type of diffusion for water, is the movement of water through a semi-permeable membrane from a dilute solution toward a more concentrated one.
Facilitated diffusion uses carrier or channel proteins to move substances across the cell membrane from an area of higher concentration to one of lower concentration without the use of energy.
Use the example of DDT to explain how a pesticide can bioamplify and damage entire ecosystems
Identify the organelles in the cell to the right.
A
B
C
D
E
F
Answer:
A Nucleus
B Lysosome
C Centriole
D Cytoplasm
E Cell membrane
F Mitochondria
Explanation:
The cell in the image represents an animal cell and the organelles in the cell labelled are as follows:
A - nucleusB - lysosomeC - centrioleD - cytoplasmE - cell membraneF - mitochondrionMore on the organelles of the animal cell can be found here: https://brainly.com/question/14029612
explain how the thermostat in your house uses a negative feedback system to maintain your home's temperature
The thermostat in your house works on the principle of a negative feedback loop. This is because as the temperature of your house rises, this setup of the thermostat turns off the furnace and allows the house to rest at a fixed temperature.
What is Thermostat?A Thermostat may be defined as a type of device that significantly regulates the temperature of a particular area. It works automatically with sensing the high or low temperature.
When the resting temperature falls below that fixed temperature, the furnace reignites and returns the house to its equilibrium state. This type of stabilization feedback is known as a negative feedback system.
A remarkable increase in the temperature leads the thermostat to turn off the furnace, which significantly leads to the reduction of the house's temperature and attaining its equilibrium.
Therefore, this is the principle behind the thermostat of your house that uses a negative feedback system to maintain your home's temperature.
To learn more about the Negative feedback system, refer to the link:
https://brainly.com/question/14641588
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