BIOLOGY HIGH SCHOOL

List four types of stem cells

Answers

Answer 1
Answer: Embryonic stem cells, adult stem cells, induced pluripotent stem cells, and mesenchymal stem cells
Answer 2
Answer:

The four types of stem cells are

 1. Embryonic Stem cells

2. Mesenchymal stem cells

3. Adult Stem Cells

4. Induced Pluripotent Stem cells

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Which level of biological classification do Mammalia and Hominidae represent, respectively?

Answers

The answer is class and family.

Taxonomic groups are used for biological classification. There are eight main taxonomic groups: domain, kingdom, phylum, class, order, family, genus and species, with the domain as the most inclusive and species as the least inclusive. If we take a look on Mammalia and Hominidae classification, we can assume that Mammalia represents class, and Hominidae represents family:

1. Domain: Eukarya

2. Kingdom: Animalia

3. Phylum: Chordata

4. Class: Mammalia

5. Order: Primates

6. Family: Hominidae

7. Genus: Homo

8. Species: Homo sapiens

Answer:

Class and Family

Explanation:

Definition of crest in science

Answers

The definition of crest is something that is located at the top of something
A crest is the highest point the medium rises to and a trough is the lowest point the medium sinks to. Crests and troughs on a transverse wave are shown in Figure 1. Figure 1: Crests and troughs in a transverse wave.

Write a short note on broyophytes? ​

Answers

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Write~ a ~short~ note ~on~ bryophytes?

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  • Bryophytes are a loose classification of three non-vascular land plant embryophytes: liverworts, hornworts, and mosses. They are typically small and prefer damp surroundings, however, they may thrive in drier ones. There are over 20,000 plant species in the bryophytes.

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Answer:

Bryophytes are an informal group consisting of three divisions of non-vascular land plants: the liverworts, hornworts and mosses. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consists of about 20, 000 plant species.

What is the function of a chloroplast?O A. Gamete production
O B. Photosynthesis
O C. Fermentation
O D. Cellular respiration

Answers

Answer:

Photosynthesis

Explanation:

Chloroplast contains chlorophyll which absorbs sunlight and let photosynthesis happen.

Answer:

photosynthesis

Explanation:

Chloroplasts are found in plant cells its function is  the process by which energy from the Sun is converted into chemical energy for growth. Also called photosynthesis.

3. What does electronegativity mean? A. Affinity for electrons in covalent bonds B. Repulsion of electrons in covalent bonds C. The negativity of a molecule due to the number of electrons D. An atom's ability to steal electrons in ionic bonds

Answers

Ok not sure about the others but electronegativity is basically an atoms hunger for electron
Greater the electronegativity, great the desire the atom hasbfor electron. So basically the answer is D

Answer:

d

Explanation:

Which one of the following statements correctly defines active site? a.The active site is a site on the enzyme molecule where specific substrate molecules bind. b.The active site is a site on the substrate molecule where specific enzyme molecules bind. c.The active site is a site on the substrate molecule where specific product molecules bind.

Answers

A) The active site is a site on the enzyme molecule where specific substrate molecules bind .

hopes this helps :)
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