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Lera25 [3.4K]
2 years ago
7

After they investigated further, they discovered that the difference between lactose tolerant and intolerant individuals was due

to a mutation located in
Biology
1 answer:
zzz [600]2 years ago
4 0
The small intestine.

this is where lactase (the enzyme that digests lactose) is found.
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When a plant starts to reproduce, auxins are released. Also, a large amount of sugar is used to create energy to build reproduct
sattari [20]

The correct answer is:

A. leaves and dermal

Explanation:

The dermal tissue system protects the soft tissues of plants and handles interactions with the plants' surroundings. The epidermis is a dermal tissue that is usually a single layer of cells comprising the younger parts of a plant. It conceals a waxy layer named the cuticle that inhibits water loss. Plant parts that become woody no longer have dermal tissue as their outer layer because it is followed by periderm or cork. Just as our own covering assists to defend our bodies, the dermal layer of a plant has the same function.


7 0
3 years ago
Read 2 more answers
Sympathetic neurons stimulate vasoconstriction in the gi tract, while sympathetic neurons stimulate vasodilation in arterioles s
Anvisha [2.4K]

It is because of the different neurotransmitters and their receptors.

Sympathetic stimulation of arterioles in skeletal muscle is mediated by epinephrine acting on its β-adrenergic receptors.  

Sympathetic stimulation   of vasoconstriction occurs as a result of activation of α-1 adrenergic receptors by norepinephrine released by post-ganglionic sympathetic neurons.


7 0
3 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
3 years ago
The majority of animals on earth are classified as what type of animal?VertebrateMammalRadial symmetricInvertebrate
anygoal [31]

Majority of animals on earth are classified as invertebrates. They are the cold-blooded animal that do not have a backbone. They can be found on land or water. 98% are invertebrates while 2% are vertebrates.

Mammals are vertebrates and humans are the most common mammals on Earth. Radial symmetric does not possess left and right sides. An example is a jellyfish.

Answer - Option 4 - Invertebrate

6 0
1 year ago
Help please, brainliest will be MARKED !<br><br> : )
Butoxors [25]

Answer:  A.) Thin                    

Explanation:  According to the graph, on day 20 there are more aliens in the thin form than in either of the other two forms. So the form with the highest probability is the thin form.

Hope this helps : )

4 0
3 years ago
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