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kap26 [50]
3 years ago
7

Explain how ions, such as phosphate ions, are absorbed by plant roots.

Biology
1 answer:
Digiron [165]3 years ago
6 0

Answer:

Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption

Explanation:

....

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How are endocrine and exocrine glands different from each other?
sergiy2304 [10]

Answer:

Endocrine, or ductless glands, while Exocrine glands are all ducted glands.

Explanation:

Endocrine glands secrete substances (like hormones) into blood without the use of ducts, whereas exocrine glands use ducts to secrete substances into the external environment.

3 0
3 years ago
1. A piece of pure gold (Au) has a volume of 50 cmWhat is its mass?
krok68 [10]

Answer:

96.5g

Explanation:

Given parameters:

Volume of Au = 50cm³

Density of Au = 19.3 g/cm³

Unknown:

Mass of the  gold  = ?

Solution:

Density is the mass per unit volume of a compound.

 Density  = \frac{mass}{volume}

 Mass  = density x volume

Insert the parameters and solve;

   Mass  = 19.3 g/cm³ x 50cm³  = 96.5g

7 0
3 years ago
The causative agent of gonorrhea and one of the causative agents of meningitis is part of which subgroup of proteobacteria?
Elena-2011 [213]

The causative agent of gonorrhea and one of the causative agents of meningitis is part of  Diplococci subgroup of proteobacteria.

Diplococci

In essence, diplococci bacteria are paired, spherical, or rounded bacteria. Some bacteria may appear ovoid (elongated) or bean-shaped, unlike staphylococci bacteria, which form grape-like clusters and are genuinely round.

Numerous infections in humans can be brought on by both Gram-positive and Gram-negative bacteria. The shape of diplococci bacteria can be spherical or elongated, as was previously mentioned. Therefore, some species—such as those of the staphylococci bacteria—might not be perfectly round. Because of this, they are frequently referred to as having an ovococcoid shape. Several studies have suggested that this form is the result of two different peptidoglycan machineries. The cell division machinery is in charge of producing septal peptidoglycan, which leads to the formation of the cell wall, in coccoids (really round bacteria), such as Staphylococcus aureus and Micrococcus.

The causative agent of gonorrhea and one of the causative agents of meningitis is part of which subgroup of proteobacteria?

Learn more about diplococci here:

brainly.com/question/15072140

#SPJ4

4 0
2 years ago
Maria is testing the behavior of monkeys. First, she shows the monkey a rectangle. Then she shows the monkey a rectangle and a c
aivan3 [116]

Answer:

The correct answer is "temporal lobe".

Explanation:

The temporal lobe is the part of the brain involved in primary auditory perception by receiving sensory information from the ears and secondary areas and translating in into meaningful units such as speech and words. It was proved since 1954 by Mishkin and Pribram that the removal of the temporal lobe part of the brain produces a severe visual discrimination deficit in monkeys. This is the case for Maria's experiment, when the monkey was not able to differentiate between the rectangle and the cylinder anymore. Therefore, it is very likely that the part of the monkey's brain that was removed was the temporal lobe.

7 0
3 years ago
1. A restriction enzyme is a ____ that recognizes specific ____ sequences in a ____ molecule, often a ____, and cleaves or nicks
kupik [55]

Answer:

1). Bacterial increase, nucleotide, DNA, palindrome

2). Phage, plasmid.

Explanation: A restriction enzyme is one of the key enzymes in gene cloning, example is a restriction endonuclease. A restriction enzyme recognizes and cleaved DNA at specific DNA sequences to generate a set of smaller fragments. The smaller fragments of DNA produced by the restriction enzyme is then inserted into a suitable cloning vector whose DNA molecule has been also cleaved by the same restriction enzyme. The enzyme DNA ligase joins the DNA fragments together. Examples of cloning vectors are plasmids, and bacteriophages (phages)

5 0
3 years ago
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