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galina1969 [7]
3 years ago
13

which of these components of a cell functions like the digestive system in the human body,endoplasmic reticulum,golgi apparatus,

mitchondria, plasma membrane
Biology
2 answers:
notka56 [123]3 years ago
7 0
C: Mitchondria.......takes in nutrients and breaks them down which is similar to the digestive system.
My name is Ann [436]3 years ago
4 0
Well the endoplasmic reticulum has both smooth and rough bodies. Smooth is the synthesis of fats and detoxifies harmful bodies. Mostly in the liver. And the rough mainly synthesize proteins which are basic components of life. Proteins are sent all over the body and are used for many functions. The golgi is used to package those proteins and send those proteins through the body. Mitochondria creates energy and is the power house of the cell. And the plasma membrane is like the gate keeper. Decides what can enter it exit the cell and prevents harmful things from coming in. Allows proteins to leave.
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What must happen before a chemical recreation can begin?
ddd [48]

Answer:

The activation energy must be reached. The catalyst makes lower energy pathways available.

Explanation:

3 0
3 years ago
Mikayla is at the garden center picking out plants for her front garden. She sees flowers in many different colors and patterns.
Nataly [62]

this is due to both allels being expressed at the same time

3 0
2 years ago
When Mendel performed his experiments, only one trait appeared in the F1 generation, (in this case, round peas) and the other tr
bearhunter [10]

Answer:

See the answer below

Explanation:

The explanation I would give to the phenomenon is that<u> the round trait in peas completely covers or nullify the wrinkled trait when they are together.</u> In order words, <u>whenever a single the allele of both trait come together to form a new trait, the round trait allele dominates and mask the expression of the allele of the wrinkled trait</u>.

<em>This is what Mendel explained and dominance/recessive effects. The round trait was dominant over the wrinkled trait while the wrinkled trait was said to be recessive and can only be expressed when alone.</em>

3 0
2 years ago
In fruit flies, curved wings (w) are recessive to the dominant straight wings (W), and ebony body (b) is recessive to the domina
lara [203]

Answer:

The correct answer =

parents : WwBb x wwbb

offspring :

WwBb, Wwbb, wwBb, and wwbb

Explanation:

It is given that the straight wings (W) is dominant over curved wings (w) and the ebony body (b) is recessive to the dominant gray body (B) and there is a cross between curved wings and ebony body and straight wings and gray body is made. The phenotypic ratio is: 1:1:1:1 for the four different phenotypes straight gray, straight ebony, curved gray, curved ebony.

It is not given the genotype of parents, however, for the curved and ebony fly, it is clear that both alleles are recessive as recessive alleles only appear in absence of the dominant allele of the trait.

For another parent, the possible genotypes can be  WWBB or WwBb, however in the case of WWBB the phenotypic ratio would not be equal therefore,

crossing WwBb x wwbb

This can be represented in the form of a punnett square as below:

          wb   wb           wb           wb  

WB WwBb WwBb WwBb WwBb Straight wing, Gray body

Wb Wwbb Wwbb Wwbb Wwbb Straight wing, Ebony body

wB wwBb wwBb wwBb wwBb Curved wing, Gray body

wb wwbb wwbb wwbb wwbb Curved wing, Ebony Body

The phenotypic ratio is: 1:1:1:1 for the four different phenotypes

4 0
2 years ago
Based on the general trend of your data, what happened to the heart rate and pulse amplitude immediately after exercise and then
Nata [24]

Exercise is very vital to the body,it a form of physical activity.the sole aim of excercise is to maintain stamina, flexibility,keep fit and be overly healthy and well.

When we excercise, our heart rate increases and then it returns to the normal rate when with rest,when we take a break.there is reflection of vasoconstriction in the fingers as the blood is shunted to only the exercising muscles because it is noted that the pulse amplitude of the heart is always small after excercise and and increases slowly during recovery.

The amount of blood the heart pumps in a minute,that is the amount of blood ejected by the contraction of the left ventricle into systemic circulation increases when we are exercising and resistance to blood flow by skeletal muscles decreases.the blood vessels will try to adapt to the condition (exercise) inorder to control blood flow and as well meet energy demands.

When we finish exercising,our body temperature increases which will inturn cause increase in the pulse rate and the blood in our body makes way to our skin,hands and legs inorder to clear off the energy that was generated by the body(muscles) during exercise

6 0
3 years ago
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