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velikii [3]
3 years ago
10

Scientists know that dinosaurs laid eggs because ?

Biology
2 answers:
OleMash [197]3 years ago
4 0

Answer: They are the early age birds.

Explanation: Cavemen lived before us and there Neanderthol was born way before then.

sveticcg [70]3 years ago
3 0

Answer:

As far as we know, all dinosaurs reproduced by laying eggs, as do most other sauropsids (reptiles). It is very difficult to determine what species of dinosaur laid the eggs that have been discovered, because only a few dinosaur embryos have been found inside the fossil eggs.

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Which term refers to a contiguous genetic complex that is under coordinated control?.
dolphi86 [110]

Answer: operon

Explanation:

An operon is a cluster of genes that are transcribed together to give a single messenger RNA (mRNA) molecule, which therefore encodes multiple proteins (Fig. 16.11). Such polycistronic mRNA is typically found in prokaryotes.

4 0
3 years ago
Help me please one with the correct answer will get the brainlyest answer
Ahat [919]
Stabilizing one. None of the other ones make sence.
3 0
3 years ago
Explain how a sprinter gets energy during a 30-second race. Is the process aerobic or anaerobic? How does it
lord [1]

Answer:

sprint runners rely on lactic acid fermentation as there main source of energy,printing takes a lot of effort and a lot of big movements  and a lot energy on demand . cellular respiration makes ATP at a slower rate than lactic fermentation therefore it is anaerobic

Explanation:

the sprinter uses ATP already in muscles as well as ATP produced by lactic acid fermentation. A long-distance runner gets its ATP solely off of cellular respiration

hope this helps

3 0
3 years ago
Choose the answer that best completes the sentence. ______ zebra mussels can live six or seven years, now it seemed that most we
stiks02 [169]

Answer:

C

Explanation:

A. Since

B. Because

C. Although

D. For example

<em>Zebra mussels have been known to have a lifespan of six or seven years in the past but recent discoveries have shown that their average lifespan now ranges between one to two years. Hence, the correct word to fill in the gap would be 'Although'. </em>

<em>The correct option is C</em>

5 0
3 years ago
Mammals do not produce digestive enzyme B. However, sheep and cattle are two types of mammals that contain microorganisms in the
Lady bird [3.3K]

Answer:

The correct option is this: A specific enzyme removes the hydrogen from the monosaccharide and the hydroxide from the polysaccharide, creating a bond between the two and creating a water molecule.

Explanation:

The process by which a monosaccharide molecule is added to an existing polysaccharide in biological systems is called CONDENSATION POLYMERIZATION.

During the process of condensation, an hydrogen atom and an hydroxide molecule from the reactants come together to form a water molecule; this leads to the formation of covalent bond between the reactants.

Condensation reaction is used in living organisms to produce complex macro molecules such as carbohydrates, proteins and lipids, which are needed by the body for health growth.

Remember, condensation reaction always results in loss of water molecules and formation of more complex molecule. One example of monosaccharide is glucose while cellulose (found in plants) and starch (found in animals) are examples of polysaccharides.

6 0
4 years ago
Read 2 more answers
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