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Semmy [17]
2 years ago
11

"Warehouse," stores water and food materials. Plant cells have a large one,

Biology
1 answer:
Alexandra [31]2 years ago
4 0
Vacuole is your answer
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Helpppppp HAHAHAHHAHA IM STRUGGLING
OlgaM077 [116]

Answer:

Option D = 3.4 g/mL

Explanation:

Given data:

Volume of water = 21.2 mL

Volume of water + object = 27.8 mL

Mass of object = 22.4 g

Density of object = ?

Solution:

First of all we will calculate the volume of object.

Volume of object = Volume of water+ object - volume of water

Volume of object = 27.8 mL - 21.2 mL

Volume of object = 6.6 mL

Density of object:

d = m/v

d = 22.4 g/ 6.6 mL

d = 3.4 g/mL

4 0
3 years ago
One substance has no membrane transporters to move it but can diffuse freely through open leak channels if there is a concentrat
Rama09 [41]
<h2>Urea </h2>

Explanation:

Urea is a small nitrogenous compound which is the main end product of protein catabolism in mammals

  • Urea is a nitrogen-containing substance normally cleared from the blood by the kidney into the urine
  • It is made predominantly in the liver from ammonia and bicarbonate and is one of the main components of urine
  • The rate of synthesis varies from 300 to 600 mmol/day depending on the protein intake
  • All of this urea eventually finds its way into the urine
  • Because urea makes up a large part of the obligatory solute excretion, its osmotic pressure requires significant volumes of water to carry the urea
  • Urea passively crosses biological membranes, but its permeability is low because of its low solubility in the lipid bilayer
  • Some cells speed up this process through urea transporters, which move urea by facilitated diffusion
  • Urea is passively reabsorbed in the proximal tubule, but its route of transport is not clear
  • Urea transporters have not yet been identified for the proximal tubule
3 0
3 years ago
A rabbit is an example of a --- while a hyena is an example of a ---
Digiron [165]

Herbivore; carnivore

A rabbit is an example of a herbivore while a hyena is an example of a carnivore.

A herbivore is an animal that obtain its energy by feeding mainly on plants (i.e. that eats no meat). Other examples of herbivores apart from rabbit are cows, sheep and insects. A carnivore is an animal that feeds on meat as the main parts of its diet. Other examples of carnivores apart from hyena are lions, coyotes, tigers and eagles.



4 0
3 years ago
Read 2 more answers
A cell is a complex assembly of _____ working parts.
taurus [48]
I believe the answer is interactive.
7 0
3 years ago
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Below is a dichotomous key that can be used to identify the kingdom to which an organism belongs. Start at statement one and cho
In-s [12.5K]

Answer:

dubro

Explanation:

7 0
2 years ago
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