Answer:
Option B
Explanation:
Anabolic reactions are reactions that synthesize molecules hence energy is used up and is thus an endothermic reaction.
Answer:
Attachment stage
Explanation:
Viruses are organisms that are incapable of replicating on their own, instead they infect a living host in order to make use of its transcriptional, replication and gene expression abilities to multiply. This process of infection characterizes the reproductive life cycle of the viral cell.
Normally, viruses are specific when infecting their hosts but they generally commence the infection cycle with ATTACHMENT. In this stage, the viral cell with the aid of its proteinous capsid binds to specific receptor site on the cell membrane of its host cell before making entry by incorporating its genetic material.
option(c)Location E, because Earth's axis is tilted towards the sun is the right answer.
When location e is located at the tropic of cancer, while location f is at the equator, Location E, because Earth's axis is tilted towards the sun is likely to be warmer at the start of the summer in June.
Because Earth's axis is tilted towards the sun, place E is expected to be warmer during the beginning of summer in June.
<h3>What is Earth?</h3>
The only present astronomical object to have life on it would be the Earth because its optimum distance of planet to the sun.
<h3>What is sun?</h3>
- Even the planets would rotate around the sun, which would be at the center of the earth.
- Experts claim that the sun is simply a mass of hot plasma with a spherical appearance.
- The sun warmed the northern hemisphere of the planet.
- Summer in the northern hemisphere is characterized by extended daylight hours, the sun rising straight overhead, and even more direct sunrays hitting the earth.
- The north pole is constantly illuminated.
Therefore, the correct answer will be option (C).
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B and E are the right answers. If this question is not multiple choice, I think E is the best answer.
Answer:
Please find the expected genotypes and phenotypes of the progenies of each cross below.
Explanation:
In the MN blood-group locus of the gene, alleles LM and LN exhibit codominance i.e one allele is not dominant or recessive to the other, hence, they are both expressed when they occur in a heterozygous state (MN).
Considering the following crosses (find the punnet square attached);
a)LMLM x LMLN - The progeny are LMLM and LMLN in the genotypic ratio 1:1. Phenotypic ratio is Blood type M (1) : blood type MN (1)
b) LNLN x LNLN - The progeny are all LNLN offsprings with a phenotypic and genotypic ratio 4:0. All offsprings will have a blood type N (4)
c) LMLN x LMLN - The progenies are LMLM, LMLN and LNLN in the genotypic ratio 1:2:1 respectively. The phenotypic ratio is Blood type M (1) : L
Blood type MN (2) : Blood type N (1)
d) LMLN x LNLN - The progeny are LMLN and LNLN with genotypic ratio 1:1 and phenotypic ratio blood type MN (1) : blood type N (1)
e) LMLM x LNLN - The progeny are all LMLN offsprings with penotypic ratio blood type MN (4)
