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Dmitrij [34]
3 years ago
11

A ________ is a membrane-bound sac found in cells that contains digestive enzymes which break down complex molecules or structur

es.
Biology
2 answers:
dexar [7]3 years ago
8 0

A lysosome is a membrane-bound sac found in cells that contains digestive enzymes which break down complex molecules or structure.

Lysosomes are single membrane organelles or vesicles  that  contain enzymes and are  specialized to breakdown complex food materials  such as sugars and proteins, into simpler substances.

Lysosomes are made in a process that begins in the endoplasmic reticulum and ends in the Golgi apparatus which puts the finishing touches to the lysosome before releasing it into the cytoplasm where it floats freely until engaged.

 

Talja [164]3 years ago
5 0
The answer is lysosome.
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The _____ theory of dreaming proposes that dreaming occurs when the cerebral cortex synthesizes neural signals generated from ac
jeka94

Answer:

The correct answer is- activation synthesis theory

Explanation:

The activation-synthesis theory tells us about the role of neuron in dream production during sleep. It was first proposed in 1977 by Allan Hobson and Robert McCarley which was psychiatrists at Harvard University.

This theory says that in REM sleep some neurons in the lower brains for example in the brain stem randomly activates due to change in neural signals and dream occurs when the cerebral cortex tries to interpret the meaning of these neuron signal changes.  

So the correct answer to this question is- activation-synthesis theory.

7 0
3 years ago
After the bases of DNA were identified, Erwin Chargaff analyzed the percentages of adenine, thymine, guanine, and cytosine in th
frutty [35]

Answer:

D) A = T; G = C

Explanation:

Chargaff's rules state that "DNA from any cell of any organisms should have a 1:1 ratio (base Pair Rule) of pyrimidine and purine bases and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine".

This pattern is noticed in the DNA strands.

8 0
3 years ago
The genotype represents _____. a paired combination of genes either a dominant or recessive gene a given phenotype two alleles
MakcuM [25]

Answer:

The genotype represents two alleles.

Explanation:

The genotype represents two alleles. Because each pair of alleles represents the genotype of a specific gene.

5 0
3 years ago
Read 2 more answers
41-Steroids are a class of lipids. Which of the following is an example of a steroid
Andrei [34K]
<h2>Answer:  (b) Cholesterol</h2>

Explanation:

As the name suggests, cholesterol is a sterol (a modified steroid). It is biosynthesized by animal cells.

5 0
2 years ago
Different between maize and mango in root system​
tia_tia [17]

Answer:difference:

1)mango root system​

Mango is having a well-defined Tap root system which can extend up to 20 feet (6 meters ). Taproots are the roots consists of one thick, cylindrical main root, known as the primary root, from which further branches of roots arises known as the secondary and the tertiary roots.

2)maize root system​

Maize forms a complex root system comprising embryonic and post‐embryonic roots.  Later in development the post‐embryonic shoot‐borne root system becomes dominant and is responsible together with its lateral roots for the major portion of water and nutrient uptake.

5 0
3 years ago
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