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10 months ago

Bacterial cells could have any of the following appendages except

SAT

1 answer:

sesenic [268]10 months ago

5 0

Bacterial cells could have any of the following appendages except cilia. Hence option B is correct.

<h3>What are bacterial cells?</h3>

Bacterial cells are defined as tiny, one-celled creatures. Nearly all areas of the world are home to bacteria, which are essential to its ecosystems.

On certain bacterial species, the flagella, which are locomotional organs, and the pili, which are surface appendages, can be distinguished. Both Gram-positive and Gram-negative bacteria have flagella, and their presence aids in identification.

Thus, bacterial cells could have any of the following appendages except cilia. Hence option B is correct.

To learn more about bacterial cells, refer to the link below:

brainly.com/question/2145627

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Factor the expression into an equivalent form 12y^2-75.

elena-14-01-66 [18.8K]

Hello oddworld7836!

$\huge \boxed{\mathbb{QUESTION} \downarrow}$

Factor the expression into an equivalent form 12y² - 75.

$\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}$

$12 y ^ { 2 } - 75$

By observing the expression, we can see that, 3 is the only common factor in both the terms of the expression. So, take the common factor 3 out.

$12 y ^ { 2 } - 75 \\ = 3\left(4y^{2}-25\right)$

Now, look at (4y² - 25). They don't have any common factors but they appear in the form of the algebraic identity ⇨ a² - b² = (a + b) (a - b). Here,

a² = 4, a = 2 (√a² = ✓4 = 2)
b² = 25, b = 5 (√b² = ✓25 = 5)

So, the (4y² + 25) becomes...

$(4 {y}^{2} - 25) \\ = \left(2y-5\right)\left(2y+5\right)$

Now, bring the 3 (common factor) & rewrite the complete expression.

$12 y ^ { 2 } - 75 \\ = \boxed{ \boxed{ \bf \: 3\left(2y-5\right)\left(2y+5\right) }}$

We can't further simplify it. Also, remember that the simplified form of an expression is equivalent to the expression. So, 3 (2y - 5) (2y + 5) is equivalent to 12y² - 75.

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Hope it'll help you!

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