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solniwko [45]
3 years ago
13

1. How do mammals impact ecosystems? Describe two ways. 2. Describe one symbiotic relationship between mammals. 3. How do mammal

s help people? Describe two ways.
4. Which mammals is your favorite and why?
Biology
1 answer:
Wittaler [7]3 years ago
4 0

Answer:

Mammals undoubtedly play an important role in ecosystems by providing essential services such as seed dispersal, pollination and regulating insect populations, and reducing disease transmission [20–22] and there is some evidence that some groups act as indicators of general ecosystem health [23].

Explanation:

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What is the primary role of the respiratory system in living organisms?
Sav [38]
B to obtain oxygen
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4 0
4 years ago
PLEASE HELP
Slav-nsk [51]

Inner mitochondrial membrane hosts several enzymes required for electron transport chain. To increase the amount of energy production per mitochondria, the inner Mitochondrial membrane is folded.

<h3><u>Explanation</u>:</h3>

Mitochondria is one of the membrane bound organelles of the eukaryotic cells. It has a bilayered membrane that has the inner membrane which is selectively permeable and the outer mitochondrial membrane which is mostly permeable.

The inner mitochondrial membrane is highly folded to form the cristae. They hosts the maximum amount of enzymes in form of 4 complexes which are required for the electron transport chain. So to host maximum amount of enzyme in the membrane and to maximise the production of ATP the inner Mitochondrial membrane is folded.

Oligomycin is a type of antibiotic that binds with the F0F1 channel blocking the flow of proton thereby blocking formation of ATP. In presence of Oligomycin, the channel is blocked, leading to the increase in the proton concentration in the innermembrane place. As the maximum concentration is reached, the NADHs aren't accepted by the enzyme for oxidation and proton donation. So they accumulate in the mitochondrial matrix.

5 0
3 years ago
Read 2 more answers
The lac operon in E. coli controls the gene expression of the enzymes that digest lactose in the cell. In the absence of lactose
erma4kov [3.2K]

Answer:

b, a, d, c, e

Explanation:

The lac operon is called lactose operon is a cluster of genes with a promoter. The bacteria uses lactose as the source of energy by the proteins coded by genes. This is present in prokaryotes.

The regulatory gene codes for repressor protein. The repressor binds to lactose and prevent its binding to operator. In the absence of lactose repressor gets activated and binds with operator. Thus, RNA polymerase is prevented from binding the promotor. The transcription of genes inhibited. Thus correct order is b, a, d, c, e.

5 0
3 years ago
How are tigers and goldfish related
kumpel [21]

The relation between the tiger and the goldfish is that they are both animals that fall into the category of vertebrates. This means that both creatures have spines, and internal bone structure. This is a trait that distinguishes them from the invertebrates that have no spine and bone structure, like the octopus for example, or from the creatures that have an exoskeleton, which means they have a bone structure that is covering the body, but not inside the body itself, like the scorpions for example.

7 0
3 years ago
Read 2 more answers
Which artery branches into the common hepatic artery, splenic artery, and left gastric artery?
trasher [3.6K]

The artery that branches into the common hepatic artery, splenic artery, and left gastric artery is called: Celiac artery.

Cardiac cycle refers to a complete heart-beat of the mammalian heart which comprises sequential alternating contraction and relaxation of the artery and ventricle; thereby, causing blood to flow unidirectionally (in one direction) throughout the body of a living organism such as a human being.

An artery can be defined as a blood vessel that is saddled with the responsibility of carrying oxygen-rich blood from the heart to organs and tissues in the body of a living organism.

A celiac artery is also referred to as a celiac trunk or celiac axis and it can be defined as a major splanchnic artery in the abdominal cavity that supplies blood for:

  • The liver.
  • Small intestine.
  • Pancreas.
  • Spleen.

Basically, the celiac artery is an artery which branches into multiple arteries such as the common hepatic artery, splenic artery, and left gastric artery.

Read more: brainly.com/question/21677487

7 0
3 years ago
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