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katen-ka-za [31]
3 years ago
6

Which of these definitions have been paired with the correct type of cell?

Biology
1 answer:
patriot [66]3 years ago
3 0

Answer:

B. Neurons are cells that conduct electrical impulses.

Explanation:

Red blood cells carry oxygen throughout the body. White blood cells protect against pathogens and aid in blood clotting after injury. Blood cells cannot contract.

Neurons generate and conduct electrical impulses. So this one is correct.

Epithelial cells line the cavities and surfaces of blood vessels and organs, protect underlying tissue, regulate the exchange of chemicals, and secrete various substances. They do not react to stimuli, however neurons do.

Smooth muscles helps the skeleton move, smooth muscle is found in blood vessels and some organs, and cardiac muscle helps the heart beat and pump blood. They are however, not components of blood.

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Identify the isolation mechanisms described using the drop-down menus. Differences in courtship or other behaviors prevent matin
lana [24]

Answer:

First, let's add the missing piece of information

Identify the isolation mechanisms by labeling either Geographical, Behavioral, Temporal, or Anatomical from the drop-down menu

The correctly identified mechanism is

1. Behavioral

2. Geographical

3. Temporal

4. Antomical

Explanation:

Differences in courtship or other behaviors prevent mating.- our answer is Behavioral

(Behavior isolation is the term used to describe reproductive isolation as a result of variations in courtship behaviours between the members of the same species occupying the same region).

Species can no longer interact because they are separated by physical boundaries.- it is Geographical

(Geographic isolation is seen in situations where the two populations of the same species get isolated by a geographical barrier such as mountain, island or river. This results in an inability to breed between the two populations as they become distinct new species).

Species do not interbreed because they breed at different times. this is definately Temporal.

(Temporal isolation is a form of reproductive isolation due to mating at separate times and seasons among two populations of the same species).

Species cannot physically mate due to genitalia or gametes being incompatible. And the correct answer is Antomical.

(Anatomical isolation

It is observed in situations when two populations of the same or distinct species cannot interbreed due to physical features such as genitalia and gametes formed in the organisms that make them uniquely separated).

Yes! this is the right answer. I just solved this question and its CORRECT.

6 0
3 years ago
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Although not yet aware of her pregnancy mrs. upton has conceived a single cell from the union of an egg cell and a sperm cell. t
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It's call a zygote cell. 
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Play‘s the steps for the formation of enzyme pepsin the pepisnogen in the correct order
musickatia [10]

Answer:

The DNA strands unwind, and RNA polymerase binds to the template strand.

The synthesis of mRNA begins.

The mRNA undergoes intron splicing and exits the nucleus.

The tRNA moves through mRNA with the activated amino acids. attached to it.

The amino acids assemble.

Explanation:

there

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3 years ago
What are the effects of Speciation & Extinction on biodiversity​
Sunny_sXe [5.5K]

Answer:

Specitation increases biodiversity, while extinctions decrease biodiversity.

Explanation:

Biodiversity is the variety of life on Earth or some specified geographic area of the planet; the diversity of life occurs at the genetic level, at the species level, at the ecosystem level, and in evolutionary lineages.

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Blank and blank are two words that mean a substance made of atoms that are bonded together
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Protons and neutrons
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