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Neko [114]
3 years ago
5

Which of these statements is true:

Biology
1 answer:
PilotLPTM [1.2K]3 years ago
4 0

Answer:

Option a is the one, that is true.

Sister chromatids separate in anaphase of mitosis and anaphase Il of meiosis

Explanation:

After the interphase in the cell division cycle, the mitosis process begins, which is composed of 4 phases, prophase, metaphase, anaphase and telophase. The prophase occurs when the chromatin is condensed and the mitotic spindle is formed, the metaphase the chromosomes align along the cell equator, in the anaphase the separation of the sister chromatids occurs and in the telophase finally the heterochromatin is converted into euchromatin and the envelope is formed nuclear cell.

Meiosis, which is the cell division of germ cells, also has the same phases but they occur on two occasions: prophase I, metaphase I, anaphase I and telophase I for meiosis I and for meiosis II, prophase II, metaphase II, anaphase II and telophase II. In the anaphase I the homologous chromosomes are separated, they are condensed in the prophase II while in anaphase II the chromatids are separated.

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If a corn plant had Purple kernels and a smooth seed shape, what could its possible genotype be? Choose all that apply.
Mumz [18]

Answer: Its possible genotypes are PPSS, PPSs, PpSS, and PpSs.

Explanation: If P represents the allele for purple kernel and S represents the allele for smooth seed shape; if P and S are dominant alleles, PP and Pp will manifest outwardly as purple kernel because P is dominant and will be able to express itself whether in a homozygous or heterozygous state. Similarly, SS and Ss will manifest outwardly as smooth seed shape because S is dominant and will be able to express itself whether in a homozygous or heterozygous state.

Therefore, PPSS, PPSs, PpSS, and PpSs will appear outwardly as purple kernel and smooth seed shaped corn plant.

8 0
4 years ago
Why does the government of nepal encourage farmers to establish boigas plants?write two reasons
Lisa [10]

Answer: The government is expanding its efforts to encourage public institutions, municipalities and commercial sectors to convert biodegradable wastes into energy by constructing large-scale biogas plants.

The deepening energy crisis as a result of Indian blockade along the major trade borders has offered an opportunity to become energy-independent as well as to improve solid waste problem by generating electricity from it, officials said.

Alternative Energy Promotion Centre (AEPC), the government body responsible for promotion and development of renewable and alternative energy technologies, is joining hands with the security agencies to build over 500 large-scale biogas plants across the country, said Sushim Man Amatya, programme officer working on Large Biogas and Waste to Energy at the AEPC.

The agreement between the AEPC and the security agencies, including Nepal Army, Nepal Police and Armed Police Force, to build institutional biogas plants is expected to take place within this month.

7 0
3 years ago
Adjacent animal cells maybe bound together by _______, _______, and _______.
zubka84 [21]
Tight junction, Gap junction, Desmosomes
3 0
3 years ago
What element is in all proteins/amino acids?
a_sh-v [17]
Nitrogen I think that you are asking about
Still the main basic elements that make up living organisms are in order of presence Oxygen - Carbon - Hydrogen - Nitrogen
And mostly alll of proteins and definitely amino-acids contain carbon, nitrogen, and hydrogen.
6 0
3 years ago
Read 2 more answers
Knowing the type of food consumed by an organism helps to identify the role of the organism in the community. This role is known
Zigmanuir [339]

Answer:

Niche

Explanation:

Niche refers to adaptive features of an organism, its activity pattern and consumption of resources in the system.

Niche of an organism refers to its habitat, activity role and functional position within system. It includes the resources such as food that it obtains from the habitat for its survival.

6 0
3 years ago
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