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rosijanka [135]
3 years ago
8

Which two cellular structures work together to synthesize, modify, and transport macromolecules within the cell ? A. Endoplasmic

reticulum & golgi apparatus B. Lysosome & vesicle C. Chloroplast & mitochondrion D. Plasma membrane & cytoplasm
Biology
1 answer:
otez555 [7]3 years ago
5 0

Answer:

A) Endoplasmic reticulum & golgi apparatus

Explanation:

Endoplasmic reticulumn and Golgi appararus are involved in transportation and modification or synthesis of macromolecules

Example; Insulin enters the Endoplasmic reticulumn in 'proinsuline' (Inactive) form and it is converted to its active form 'Insulin' in Endoplasmic reticulumn . Then it is transported to cytoplasam through Golgi apparatus. On the stimulation of beta cells insulin is secreted out of cell.

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Match the following organs and organ systems. 1.digestive system brain 2.central nervous system tracheal system 3.respiratory sy
Amiraneli [1.4K]

The correct macthing of the organs with their organ systems is as follows.

1. Digestive system - intestines.

2. Central nervous system - brain.

3. Respiratory system - tracheal system.

4. Excretory system - bladder.

Digestive system is made up of the alimentary canal consisting of the digestive organs and the glands. Among the digestive organs, the intestines play a major role in the process of digestion. The small intestine is the site of complete digestion which is associated with the pancreas and liver. The large intestine is involved the absorption of water from the digested food and remaining waste material is stored and thrown out of the body during defecation.

The central nervous system is made up of the brain and the spinal cord. The brain makes the largest part and the functional of the central nervous system. It controls most of the activities of the body. It is made up of three parts called the cerebrum, cerebellum and medualla oblongata and is protected by the skull.

The respiratory system is divided into the upper respiratory tract consisting of the nasal cavity, pharynx and larynx, and the lower respiratory tract consisting of the trachea, bronchi, bronchioles and the alveoli. The trachea or the wind pipe is a cylindrical tube infront of the oesophagus, supported by 16-20 C-shaped hyaline cartilage. It serves as a passage for air to move in and out of the lungs.

The excretory system is made up of a pair of kidneys, a pair of ureters, an urinary bladder and an urethra. The urine produced by the kidney flows through the ureters and is collected in the urinary bladder. A spinchter (a ring of muscle) guards the opening of the bladder into the urethra and relaxes only at the time of urination under the impulse from the brain.

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3 years ago
What is a common ancestor?
Aleksandr [31]

C. Common Ancestors are the animals that we evolved from

7 0
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During which step of mitosis does a new membrane form around each of the two groups of chromosomes? **just the answer please**
dmitriy555 [2]
The answer is telophase
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The bottom line difference between passive and active transport through a cell membrane’s is
Ahat [919]
<h3><u>Answer;</u></h3>

Active transport uses energy and passive transport does not

<h3><u>Explanation</u>;</h3>
  • <u>Passive transport occurs when materials move across cell membranes without using cell energy (ATP). </u> Examples of passive transport include; diffusion, facilitated diffusion, and osmosis. It moves small molecules like water, oxygen, carbon dioxide and glucose.
  • <em><u>Active transport on the other hand involves the movement of materials across the cell membrane that requires the use of cell energy (ATP)</u></em>.
  • In other words the difference between active transport and passive transport is that passive Transport moves ions from high concentration to low, using no metabolic energy while active Transport moves ions from low concentration to high, using metabolic energy in the form of ATP.
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Which is a predator/perey relationship?
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Answer:

A.

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Predator-prey relations refer to the interactions between two species where one species is the hunted food source for the other.

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