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Fynjy0 [20]
2 years ago
6

Can u guys help me answering the following Test Guide and using complete sentences

Biology
1 answer:
VladimirAG [237]2 years ago
8 0

Answer:

Robert Hooke is known for the first use of the word cell in the sense of a basic unit of organisms (describing the microscopic cavities in cork)

Plants are made of cells, Animals are made of cells, Cells produce other cells.

Eukaryotic have a nucleus meanwhile prokaryotic lacks of it.

Bacteria are prokaryotes

Cholesterol stabilize the cell membrane, less fluid at higher temp and less solid at lower temp.

Chromatin consists of the unravelled condensed structure of DNA for the purpose of packaging into the nucleus whereas chromosome consists of the highest condensed structure of the DNA doublehelix for the proper separation of the genetic material

Plant cell have cell wall, chloroplasts, plastids, and a central vacuole

Refers to going from regions of high concentration of some entity to regions of low concentration, and such movement generally occurs spontaneously,

Facilitated diffusion is the diffusion of molecules assisted by transport proteins

Passive transport no needs energy, move molecules trough phospholipid bilayer

Active transport needs energy, move molecules trough membranes

Endocytosis engulf substances and form vesicles (into the cell) (active transport)

Phagocytosis cell eats solid particles or big substances

Pinocytosis is the cell drinking, liquid substances

Exocytosis vesicles move through the plasma membrane, release the contents (outside the cell) (active transport)

Animal and plant cell organelles: nucleus, nuclear membrane, nucleoplasm, nucleolus, cillia, flagella, Rough Endoplasmic Reticulum, Smooth Endoplasmic Reticulum, Golgi apparatus, plasma membrane, vesicles, lysosomes, peroxisomes, centrioles, mitochondria, cytoplasm, cytosol, cytoskeleton, ribosomes, vacuoles, cell wall, chloroplasts.

Another name for a fertilized egg is zygote

Hope it helps :)

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Epithelial tissue always has an exposed outer surface and an inner surface anchored to connective tissue by a thin, non- cellula
Rashid [163]

The basement membrane is the thin, non-cellular structure of connective tissue that separates the lining of an internal surface and external surface from underlying connective tissue in metazoans.

The epithelium is a type of body tissue that covers all internal and exterior body surfaces, lines hollow organs and body cavities, and makes up most of the glandular tissue. The body comprises four types of tissues; depending on the location, connectives, muscular, nervous, and Epithelial, which perform the function of protection, secretion, and absorption.

Some examples of epithelial tissues in your body are the outer layer of the skin called the epidermis, the sweat glands, respiratory tract lining, intestines lining, etc. you can also read more on Epithelial tissue.

Learn more about Epithelial tissue here:

brainly.com/question/28391303

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4 0
1 year ago
Part B: Research (11 points) In part B you will be doing some research on desertification.
Goryan [66]
Okay so northern Africa and the Sahara desert is the best example of desertification.
2 ways humans have contributed to that is: 1) pastoral nomadism 2) little to no settlements to increase water supply 

how it impacted the environment: so now the environment there is sandy, only organisms adapted for those extreme environment can live there ex. camel, cactus, etc., 

how it impacted quality of life: quality of life diminished, not enough water to sufficiently feed the populations, people live in extreme poverty, people are moving away, and the climate is very dry and hot, pretty much not a place anyone would want to live

http://eden-foundation.org/project/desertif.html

https://www.sciencedaily.com/releases/2017/03/170314111320.htm


8 0
3 years ago
List tim''s symptoms and identify the organ system (or specific organ) associated with those symptoms. (your may need to referen
pantera1 [17]
1. Tim's symptoms include deteriorated coordination, stamina and school performance, nausea, painful joints and an abnormal increase in growth rate. His personality also changed which manifested as depressive mood, introversion, anxiety and tension. These symptoms could indicate an endocrinological problem, therefore the organ system which could be associated with them is the thyroid gland.

2. The thyroid gland is an organ of the endocrine system which is located in the neck, behind Adam's apple. It regulates metabolism, protein synthesis and development. It does so by producing a number of hormones: calcitonin, thyroxine and triiodothyronine. The two thyroid hormones (thyroxine and triiodothyronine) regulate the body's metabolism by controlling the way cells produce and consume energy.

3. Hyperthyroidism is an endocrine condition in which there is an overproduction of thyroid hormones by the thyroid gland. Under these conditions, the thyroid gland proves to be overactive and the main symptom is the acceleration of the metabolism. Tim's sudden increase of growth rate and inability to gain weight, along with his nervousness and mood swings, and his fatigue and loss of energy could indicate a problem of hyperthyroidism.

4. Cortisol is a steroid hormone which is produced by the thyroid gland. It is often called as the "stress hormone" as it is released in response to a stressful situation. It is also released in response to low blood glucose concentration. Some of cortisol's functions are the increase in blood sugar, the suppression of the immune system and bone formation. Cortisol is also involved in the metabolism of macronutrients.
5 0
3 years ago
Why must most antibiotics be given some time to take effect on a disease-causing population of bacteria?
Eva8 [605]
The correct answer is d. "Regeneration" means "forming new cells," and signifies that the disease-causing bacteria cells are multiplying. When there are more of these cells, there is a higher chance for antibiotic resistance (making it take longer for the antibiotics to work). Once there is a smaller concentration of these bacterial cells, the antibiotics become more effective. 
8 0
3 years ago
Read 2 more answers
Why don't we worry about water vapor?
Sergio [31]

Answer:

Explanation:

Water vapor is the most important greenhouse gas. ... However, water vapor does not control the Earth's temperature, but is instead controlled by the temperature. This is because the temperature of the surrounding atmosphere limits the maximum amount of water vapor the atmosphere can contain.

7 0
3 years ago
Read 2 more answers
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