BIOLOGY COLLEGE

What is the y intercept of the line with the equation 4x + 2 = 12

Answers

Answer 1
Answer:

4x-2y=12  

plug in 0 to find y or x intercept: 4x-2(0)=12 4(0)-2y=12

4x=12 2y=12

x=2 y=-4

(2,0) (0,-4)

so the y-intercept is -4 and x-intercept is 2

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Are tonsils lymph nodes or nodules?

Answers

They are lymph nodes. Lymph nodules are much smaller

Why are certain amino acids defined as essential for human beings?

Answers

Answer:

Out of the 22 amino acids, 8 cannot be produced in the body and must be consumed from outside sources, so they're called "essential".

Term Definition3. Biotic factor a. The nonliving factors in an environment
4. Abiotic factor b. A group of ecosystems that share the same type of climate
5. Biome c. All of the living organisms in an environment

Answers

Answer:

Organism, population, biological community, ecosystem, biome, and biosphereThe atmosphere is the part of the biosphere that describes the gasses on earth. The hydrosphere is the part of the biosphere that accounts for all of the water on the entirety of the surface of earth. The lithosphere is the part of the biosphere that captures all of the land masses on the earth’s crust and in the oceans.

C

A

b

Explanation:

pennfoster

3. C

4. A

5. B

Explanation:

After the rain of 12th june 2017 an ecologist measured a volume of 1414cm cube of rain water from a rain gauge wish a funnel diameter of 24cm. Calculate the mm of rain that fell that day

Answers

Rainfall is measured as depth on the surface of the Earth, typically in mm. We know the volume of water in the rain gauge: 1414 cubic centimetres. We know need to know the area of the Earth that this volume fell on. This would be the area of the funnel opening that points up to the sky to catch the rain. We know the diameter is 24 cm. So we need to determine the area of a circle with a diameter of 24 cm. The equation to use is: area = pi * radius^2. Since the radius of a circle is half the diameter, the equation is:
So area is 3.14159 * 12^2
= 452.39 cm^2Volume = depth * areadepth = volume/areadepth = 1414/452.39= 3.13 cm = 31.3 mm

What two glands are involved in regulating sugar levels in the bloodstream?A. Thyroid and testes
B. Pituitary and Thymus
C. Ovaries and Hypothalamus
D. Adrenal Pancreas

Answers

Answer:

Adrenal and pancreas

Explanation:

they both areresponsiblefor regulatingsugar levelsin the bloodstream

hope it helps

Which of the folowing epithelia and/or cell surface modifications are present in large bronchi? (Check all that apply) a. clia
b. goblet cells
c. microvilli
d. pseudostratified ciliated columnar epithelium
e. stratified squamous epithelium

Answers

Answer:

d. pseudostratified ciliated columnar epithelium

Explanation:

Pseudostratified ciliated columnar epithelium

It is a type of epithelium , which is made up of cells of single layer .

The function of  Pseudostratified epithelia is secretion or absorption .

Pseudostratified epithelia secretes mucus and cilai helps the movement of mucus .

The nucleus of these cells are present at different levels , thereby creating an illusion of cellular stratification .

Answer:

b. Goblet Cells

Explanation:

There are 3 types of epithelial cells in the large bronchi, namely:

1. Goblet Cells

2. Ciliated Cylindrical Cells

3. Brush Cells

Goblet cells are epithelial cells where the main function is to secrete mucin. These cells have a certain structure namely the rough endoplasmic reticulum, and mitochondria, nuclei, and other cell organelles are found in the basal cell section.

These cells are well distributed in the epithelial lining of the walls of organs such as the trachea, bronchi, small intestine, upper eyelid membrane, large intestine, and others. The ultimate goal is to lubricate these organs for the smooth functioning of them.

The most important function of goblet cells is to secrete mucus which is a thick liquid and consists of a glycosylated protein mucin that is suspended in an electrolyte solution. The main function of mucus which protects against stress and chemical damage, trapping and eliminating microorganisms and particles.

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About Menstrual Cycle brainly.com/question/2312836

Details

Class : College

Subject : Biology

Keywords

- Cell Surface

- Large Bronchi
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