Biology Middle School

Im offering 10 points

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Answer 1

it’s a crystal which has a repeating pattern, 3

Answer 2

Answer:

Explanation:

it has repeating patterns,and alsopls mark me brainliest

Related Questions

I NEED HELP SO BADLY!!!!

Answers

Answer:

Explanation:

Chapter 16 Alternate Assessment

Fill these out with definitions of the listed terms and answers to the questions.

16.1 LYMPHATIC PATHWAYS

Trace the lymphatic pathways from lymphatic capillaries to subclavian veins.

Lymphatic Capillaries

Describe several characteristics of lymphatic capillaries.

Which part of the body do not have these capillaries?

Where are lacteals found?

Lymphatic Vessels (LV)

How are lymphatic vessels similar to veins?

Lymphatic Trunks and Collecting Ducts

What is the function of lymphatic ducts?

What parts of the body are drained by the right lymnphatic duct and the thoracic duct?

Where does the lymphatic system drain into the cardiovascular system?

16.2 TISSUE FLUID AND LYMPH

Tissue Fluid Formation

Briefly describe the characteristics of tissue fluid.

What are the four steps of lymph formation?

Lymph Flow

What two external factors influence lymph flow?

Obstruction of lymph movement

What is edema?

Lymph Function

What are the primary functions of lymph?

16.3 LYMPHATIC TISSUES AND LYMPHATIC ORGANS

Lymph Nodes

Briefly describe lymph nodes.

What types of cells are found in germinal centers and medullary cords?

Describe the flow of lymph though the lymph node.

What are the functuions of lymph nodes?

What areas have high concentrations of lymph nodes?

Thymus

Briefly describe the structure of the thymus.

Describe the function of the thymus.

Spleen

Briefly describe the structure of the spleen

What is the composition of white and red pulp respecivly?

Describe the function of the spleen.

16.4 BODY DEFENSES AGAINST INFECTION (IMMUNITY)

Briefly describe what causes an infection.

What organisms can portntially act as pathogens?

What are the two catagorries of resistance to pathogens?

INNATE (NONSPECIFIC) DEFENSES

Briefly describe innate defenses.

How do the following contribute to innate defenses.

Species Resistance:

Mechanical barriers:

Inflammation:

Chemical Barriers

Describe the function of the following chemical barriers in immune response.

Enzymes

Acid

Salt

Defensins

Collectins

Complement

Interferons

Phagocytosis:

Briefly describe phagocytosis.

Which cells are the most active in phagocytosis?

Where are phagocytes found most commonly in the body?

Fever

What chemical is responsible for the increase in body temperature seen in fever?

How does a fever potentially make the immune response more effective?

ADAPTIVE (SPECIFIC) DEFENSES OR IMMUNITY

Briefly describe adaptive defenses.

How do antigens function in adaptive defenses.

What is the importance of self vs non-self?

Where do lymphocytes originate?

Where do B cells mature? T cells?

Lymphocyte Function

What is an antigen-presenting cell?

How does it function in the immune system?

What is the MHC and why is it important?

T cells and the Cellular Immune Response (Cell Mediated Immunity):

What are the functions of cytokines in the immune system?

Generally describe the following types of T cells:

Helper T cells:

Memory T cells:

Cytotoxic T cells:

Natural Killer Cells:

B cells and the Humoral Immune Response (Antibody mediated immunity, AMI):

Briefly describe the function of B cells.

How are B cells activated.

Briefly describe the structure of antibodies.

Briefly describe the function of anibodies.

Describe the five major types of immunoglobulins are

IgG

IgA

IgM

IgD

IgE.

Describe the following antibody actions.

Attack antigens directly:

Activate complement:

Stimulate local tissue changes:

Immune Responses (IR): See Fig 16.21, page 638.

Briefly describe a primary immune response.

Briefly describe a seconmday immune response.

Describe the different practical classifications of Immunity

naturally acquired active immunity:

artificially acquired active immunity:

artificially acquired passive immunity:

naturally acquired passive immunity:

Hypersensitivity Reactions

Describe hypersenesitivity reactions.

Describe the types of hypersensitivity reactions.

Type I:

Type II:

Type III:

Type IV :

Transplantation and Tissue Rejection

Describe the following types of grafts.

Isografts:

Autografts:

Allografts:

Xenografts:

What factors can lead to tissue rejection during transplants?

In an automimmuse disorder, what occurs to result in the symptoms that are experienced?

The correct answer is B if you check in the text it Cain of Said

Professor Parsons says
that Cramwood made a
mistake with his BAAD.
What could it have been?
What do you predict the
court will say? Write your
answer to the question
below on the other side
of this page

Answers

By adding tape to his BAAD, Cramwood increased its mass and increased

its inertia. The bigger BAAD requires more force to stop and ends up smacking Cramwood in the head when he applies the brakes.

What is inertia?

Inertia is the tendency of an object to resist a change in its motion. Specifically, it is the property of matter that causes an object to maintain its state of rest or uniform motion in a straight line unless acted upon by an external force.

In other words, an object at rest will remain at rest, and an object in motion will continue to move at a constant speed and in a straight line, unless acted upon by an external force.

The amount of inertia an object has depends on its mass, with more massive objects having more inertia than less massive objects.

Learn more about inertia at: https://brainly.com/question/1140505

#SPJ1

It’s 7 explain uh I need the points

An indicator shows a solution's pH by changing A. color. B. shape. C. temperature.

Answers

Answer: by changing colors

Explanation: lt is a basic taste for ph determinination to know acidic or basic or neutral

An indicator shows a solution's pH by changing its color depending on its acidity. Thus, the answer is option A.

A pH indicator is a device used to check whether a chemical solution is acidic or alkaline. It ranges from a scale 1 to 14. 1 being the most acidic and 14 being the most alkaline. 7 shows a neutral stage. The color of scale number 1 is red and the color of scale number 14 is purple.

It changes color due to the disassociation of H++ ions.

For more information on pH indicators,

https://brainly.com/question/16443836

Students view two different cells under a microscope. They record their observations in the table shown.

Part A

Based on the organelles observed, which two help the students determine it is a plant cell?

Part B

The function of these 2 organelles are and

IS MY CLASE OF SCIENCE 8th

Answers

Part A: (P.S There’s 3) Chloroplast, Cell wall, and a large central vacuole
Part B:
Chloroplast - produces energy through photosynthesis.
Cell wall - provides structural support and protection.
Large central vacuole - provides structural support, also serving also functions such as storage, waste disposal, protection, and growth.

Part A
The cell wall and the chloroplast.
Part B
The cell wall is a barrier to the cell and gives it protection.
Chloroplasts produce energy through photosynthesis.

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