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Cloud [144]
3 years ago
5

Which is the MOST difficult to fossilize? A) fish B) mammals C) plants D) snails

Biology
2 answers:
vazorg [7]3 years ago
8 0
A fish is the hardest to fossilize
jolli1 [7]3 years ago
4 0
The answer is D. snails
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What are some atoms that all these amino acids have in common with carbohydrates​
Juliette [100K]

Carbon, Hydrogen and Oxygen

Explanation:

Carbon, hydrogen and oxygen atoms are the common atoms that carbohydrates and amino-acids share in common.

  • Carbohydrates are bifunctional organic compounds composed of polyhydroxyl alkanal or polyhydroxyalkanones.
  • They are the monomeric unit of simple sugars.
  • Amino acids are made up of  aminocarboxlic acids and carboxyl groups.
  • Carbohydrates are made up of three elements which a structured order;Carbon, hydrogen and oxygen.
  • Amino acids are made up of carbon, hydrogen, oxygen and nitrogen.
  • The atoms they have in common are carbon, hydrogen and oxygen.

Learn more:

Amino acid brainly.com/question/4341225

#learnwithBrainly

4 0
3 years ago
How much force is needed​ to lift a 25 kg mass?
Nonamiya [84]
Not really sure but the minimum force required to lift any mass must be equal to the force of gravity pulling it down. So the formula:
Fa=Fg
=mg
=(25)(9.8)
=245 N
here is your answer ;)
4 0
3 years ago
A drop in blood calcium levels stimulates the secretion of __________.
ValentinkaMS [17]

Answer:

The correct answer is: Parathyroid Hormone.

Explanation:

  • The Parathyroid Hormone (PTH) can be defined as a small peptide hormone that is secreted by the Parathyroid Glands.
  • The Parathyroid glands can be defined as small and round structures (usually four in number) which remain interspersed in the posterior region of the thyroid gland, but remain separated from the thyroid gland by a layer of connective tissue.
  • The parathyroid gland is composed of specialised epithelial cells known as Chief Cells which are responsible for the secretion of the Parathyroid Hormome (PTH) in response to low level of calcium in the blood.
  • Functions of the PTH hormone are:
  1. The PTH is responsible for activating the osteoclast cells and inhibiting the osteoblast cells in the bone.
  2. The osteoclast cells are responsible for secreting enzymes which stimulate the degradation of bone cells and promotes the release of calcium from the bones into the tissue fluid.
  3. The osteoblast cells are responsible for storing calcium in the bones by promoting the deposition of calcium in the bone cells.
  4. The PTH is also responsible for promoting calcium re-absorption from the urinary filtrate in the tubules of the kidney.
  5. It also induces the production of calcitriol (activated form of Vitamin D3), which is a steroid hormone, in the kidneys.
  6. Calcitriol is responsible for inducing the absorption of the calcium, taken in the diet, through the intestinal lining.

8 0
3 years ago
Who can help me with the 3,4,5
vagabundo [1.1K]
3. (2) lithosphere
4. (1) analysis of earthquake wave data
5. (2) mantle

I think these are the answers
7 0
3 years ago
How do you think the cyst shown in this model affects the homeostasis in this area of the skin? Consider how it could affect the
Flauer [41]

Explanation:

couldn't see a model of the cyst, but most cysts are filled with sebaceous fluid, dead skin cells, superficial dirt and lipids, some can be very painful to the touch. If it is infected, it's appearance is red and sits on the epidermis layer where nerve endings can be found. your body will trigger WBC's to that area to fight infection. A dermatologist will prescribe an antibacterial topical solution in addition to an oral antibiotic. homeostasis in that area of skin is disrupted causing pain, swelling, and possible growth, making these symptoms worse. once on antibiotics, your dr. will excise the cyst relieving its contents, pressure, and pain.

4 0
4 years ago
Read 2 more answers
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