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alisha [4.7K]
3 years ago
13

Defination of saftey symbol (biology)

Biology
1 answer:
murzikaleks [220]3 years ago
8 0
A safety symbol is a sign or symbol on an object to show whether it can affect our bodies negatively. this is also a warning sign to people in the laboratories
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In eukaryotes, DNA is organized into_________which considerably complicates DNA-protein interactions during gene regulation.
lukranit [14]

Answer:

chromosomes

Explanation:

6 0
3 years ago
Please help me!! 15 points!!!!!
Karolina [17]

Image 1.1 -

Stomata are little moth-like structures in leaves, that, when open, allow the exchange of gases between the plant and the exterior.

Answer:

B.

Image 1.2 -

Without the existance of stomata, the process of transpiration wouldn't be possible if there weren't structures thata allowed the exchange of gases.

Answer:

A.

Image 2 -

So, we can elminate plants because they can photosynthesise; bacteria because they are prokaryotes and can photosynthesise; archaea because they are prokaryotes; hat leaves us with animals and fungi because these cannot photosynthesise and are both eukaryotes.

But, we cannot skip information. It is also said that the organism found has a cell wall, and animals do not have cell walls.

Answer:

C.

Image 4 -

Option 1 = cilia

Option 2 = flagella

Option 3 = pseudopods

Option 4 = pili (they're a meant to attacht to surfaces only bacteria)

Image 5 -

Runner stems are those that grow horizontally, therefore the fourth image with the long horizontal stems.

Rhizome stems are underground stems that can form roots or shoots through their nodes. Therefore, the third image with white background (the one with 2 drawn plants).

Tuber stems are large underground (mostly) structures used as storages for the plant. Therefore, this corresponds to the first image (the one with the white background.

Bulb stems are short and "bulby" stems, whith thick, leaves. Therefore, the second image (the one with the grass background).

Hope it helped,

BioTeacher101

7 0
3 years ago
The response of an effector is:
Yuki888 [10]

Answer:

to transmit an output in response to the total afferent input

Explanation:

An effector refers to parts of the body generates response. An effector responds to transmit an output in response to the total afferent input  Stimulus in the body are detected by the receptor which send signals to the central nervous system via sensory neuron where interpretation and a response is coordinated by the brain. The response is sent to the effector through the motor neuron.

5 0
3 years ago
Change TCA-GAT from DNA into mRNA
gizmo_the_mogwai [7]

Answer:

AGU-CUA

Explanation:

An mRNA sequence is made using a DNA sequence as a template. The sequence is dictated by complementary base pairing.

DNA uses the bases A, T, C and G. A is complementary to T and G is complementary to C.

RNA uses the bases A, U, C and G. A is complementary to U and G is complementary to C.

When transcribing DNA to RNA:

  • C is paired with G
  • G is paired with C
  • A is paired with U
  • T is paired with A

Therefore, TCA-GAT  is transcribed to AGU-CUA

8 0
3 years ago
Osmosis does not require an additional input of energy from the cell.
r-ruslan [8.4K]

Answer:

Osmosis is considered to be a type of

active transport.

Explanation:

6 0
3 years ago
Read 2 more answers
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