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larisa [96]
2 years ago
15

Pancreatic juice is composed of _______ bicarbonate in the presence of hydrochloric acid.

Biology
1 answer:
aleksklad [387]2 years ago
7 0
Sodium bicarbonate! :)
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How does the photosynthetic reaction center differ from the chorophyll molecules in the antenna complex?
o-na [289]

Answer:

Photosynthetic reaction center differ from the chlorophyll molecules in the antenna complex by the presence  and absence of core pigment and accessory pigment.

Explanation:

Photosynthetic reaction center contain core pigment known as chlorophyll  A which can aborb wavelength of sunlight not more than 700 nm in case of Photosystem 1 and the core chlorophyll pigment of Photosystem 2 absorb light having wavelength of 680nm or less than that.

                           Antenna complex or light harvesting complex  such as chlorophyll b ,Carotenoid,Xanthophyll absorb light energy from sunlight and transfer that light energy to photosynthetic reaction center by resonance energy transfer so that the photosynthetic reaction center uses the same(light energy) in form of chemical energy to out the further reactions of photosynthesis.

             

5 0
3 years ago
Can anyone help me please?
quester [9]
Question 8-
(a) move out of the cell
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Queston 9-
(a) move into the cell
(b) cell would swell
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8 0
3 years ago
HELP ME GUYS PLEASE!
german

Answer: number 1

Explanation: that is when we could first sustain life because that is when we gained atmosphere and when we could hold carbon and oxogen

8 0
2 years ago
Read 2 more answers
Whats are the functions of the integumentary system ?
Verdich [7]

Answer:

Absorption

Thousands of pores on the surface of the skin can absorb vitamins, acids, water and oxygen in order to provide moisture and nourishment to our skin.

Excretion

The skin is the body’s largest waste removal system. Toxins are released through the sweat glands and pores.

Secretion

The skin secretes sebum, a mixture of oils that keeps the skin soft and supple. The layer of sebum on the outermost layer of the skin is known as the acid mantle. When intact the acid mantle has a PH that ranges from 4.5-5.5. The acid mantle is acidic in nature to protect the skin from outside invasion.

Regulation

The skin regulates the body’s temperature by sweating; when water from sweat on the skin evaporates it gives off heat and cools the body.  The body’s temperature increases or by shivering or getting goosebumps when the body is cold. The contraction of muscles releases energy that warms the body.

Sensation

The skin contains millions of nerve endings that transport stimuli. These nerve endings allow humans to detect sensation such as heat, cold, pain and pressure.

Disclosure: I get a small commissions for purchases made through links in this post.

Sources: Salon fundamentals Esthetics Textbook: The Integumentary System

8 0
2 years ago
What are two examples of tissues found in plants
laila [671]
Vascular plants<span> have two distinct organ systems: a </span>shoot<span>system and a </span>root<span> system. The </span>shoot<span> system consists of two portions: the vegetative (non-</span>reproductive<span>) parts of the plant, such as the leaves and the stems; and the </span>reproductive<span> parts of the plant, which include flowers and fruits.</span>
5 0
3 years ago
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