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3 years ago

A thin layer of protein, within epithelial tissue, that anchors the epithelium to the extracellular matrix is the

1 answer:

3 0

A thin layer of protein, within epithelial tissue, that anchors the epithelium to the extracellular matrix is the basement membrane. It separates the epithelium, mesothelium and the endothelium from the connective tissues underneath. It has two layers namely the basal lamina and the reticular connective tissue. Its main function is to anchor the epithilium to the dermis underneath the skin. It would act as a barrier in order to prevent malignant cells in invading tissues that are found deep within. It also important in the process of angiogenesis or the development of blood vessels where it increases the differentiation of the endothelial cells.

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In a force of 12 N is applied to an object with a mass of 2 kg what will be its acceleration

Natali [406]

Use the equation F = ma

Force: 12 N

Mass: 2 kg

Acceleration: ?

12 N = (2kg)(a)

acceleration = 6 m/s^2

If this answer helped you, please vote me as brainliest!

5 0

3 years ago

Read 2 more answers

HELP NEED THIS ASAP!! I WILL GIVE YOU BRAINLYEST!!

Kazeer [188]

Answer: Atoms

Explanation:

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7 0

3 years ago

9. Outline the phases of the menstrual cycle, or the period in woman. please this should be at least 150 words. I will mark as B

Vinil7 [7]

The menstrual cycle is complex and controlled by many different glands and the hormones that these glands produce.

The four(4) phases of the menstrual cycle are:

(1) menstruation.

(2) the follicular phase.

(3) ovulation .

(4)the luteal phase.

Common menstrual problems include heavy or painful periods and premenstrual syndrome (PMS).

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3 years ago

What distinguishes disruptive and directional selection pressures when both select for extreme genetic traits?

Stella [2.4K]

Answer:

Yes both are different. In directional selection one of the extreme traits is favored, whereas in disruptive selection both the extreme traits are favored.

Explanation:

Directional: If selection acts to eliminate one extreme form and supports the other extreme then the peak shifts in the direction which is selected by the nature.

Disruptive: If the selection does not favor the mean character value, rather favors both the peripheral character values then this kind of selection is called disruptive selection.

5 0

3 years ago

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Antibodies are composed of two types of peptides, heavy chains and light chains. One of the major classes of antibody molecules

timurjin [86]

Answer and Explanation:

a. form the antigen-binding site ⇒ both chains

The antigen-binding site is formed by one hypervariable region of the light chain (VL) and one hypervariable region of the heavy chain (VH). So, both type of chains contributes to antigen recognition.

b. contain multiple variable domains ⇒ none

Both chains - light and heavy - contain <u>only one</u> variable domain (VL and VH).

c. are found in the Fab fragment ⇒ both chains

The Fab fragment is composed of portions of both light and heavy chains: each portion contains one variable domain and one constant domain. The Fab fragment binds specifically the antigen.

d. are found in the FC fragment ⇒ heavy chains

The Fc region is composed of portions of heavy chains (CH² and CH³), so it contains constant domains.

e. contain only one constant domain ⇒ light chains

Each light chain contains one variable domain (VL) and one constant domain (CL).

f. contain multiple constant domains ⇒ heavy chains

Each heavy chain contains three constant domains: CH¹, CH² and CH³.

g. contain only one variable domain ⇒ both chains

Both light and heavy chains contain one variable domain. The difference is given by the number of constant domains: light chains have 1 constant domain while heavy chains have 3 constant domains.

8 0

3 years ago