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steposvetlana [31]
3 years ago
11

True or false? The lungs have an efficient blood supply to take away the oxygenated blood and maintain the concentration gradien

t. PLS HELP IM IN EXAM RIGHT NOW
Biology
1 answer:
ziro4ka [17]3 years ago
8 0

Answer:

true

Explanation:

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Structure in the living world is organized into hierarchical levels. Which of the following correctly lists these from least inc
lina2011 [118]

Answer:

b. neuron, nerve tissue, brain, nervous system, human

Explanation:

Neurons are the structural and functional units of nervous tissue. Each neuron has a long axon, a metabolic center (soma) and short dendrites. Neurons and neuroglia are the major cell types that together constitute the nervous tissue.

The brain is an organ made of nervous tissues and is a part of the central nervous system. The central and peripheral nervous systems together make the nervous system of the human body.  

The nervous system along with many other organ systems such as the digestive system, respiratory system, cardiovascular system, etc. together make the human body.  

8 0
3 years ago
I don’t understand plz help
Anna [14]
The answer to number four is A
3 0
3 years ago
A diploid (2n) cell divides by meiosis, producing four daughter cells. Next, each daughter cell divides by mitosis, producing a
Debora [2.8K]

Answer:

Each granddaughter cell is haploid (n)

Explanation:

Meiosis in the parent cell with a "2n" chromosome number would produce a total of four daughter cells. Each of these daughter cells would have an "n" number of chromosomes as separation of homologous chromosomes to the opposite poles during anaphase-I reduces the chromosome number to half in the daughter cells. Also, the event of crossing over and random segregation of homologous chromosomes makes the daughter cells of meiosis genetically different from each other.

Each of these four cells enters mitosis and forms a total of eight cells. Since mitosis maintains the chromosome number, each of the eight cells would have an "n" number of chromosomes and would be haploid.

8 0
3 years ago
What happens to the energy in the bonds in glucose?What happens to the energy in the bonds in glucose?
Alexxx [7]

Answer:

Energy stored in glucose molecules is transferred to adenosine triphosphate. During cellular respiration when glucose reacts with oxygen, carbon dioxide and water are formed.

The energy released by glucose molecules is stored in bonds in the phosphate groups of the adenosine triphosphate molecules. After this, energy is released when ATP is converted into ADP and inorganic PO4- groups.

When ADP and phosphate group join together to form ATP energy is stored. A glucose molecule forms 36 to 38 ATP during respiration.

4 0
3 years ago
What is five kingdom classification system?<br>​
n200080 [17]

Answer:

The five kingdom classification are- Monera, Protista, Fungi, Plantae and Animalia. The organisms which are placed under the kingdom Animalia are heterotrophic and depend on the other organisms for food. ... These are multicellular organisms which are composed of many cells and can perform activities like locomotion.

4 0
3 years ago
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