Which of the following interactions involves both species being harmed ?
Anonymous Poll
55%
Competition
10%
Mutualism
18%
Commensalism
16%
Parasitism
👍5
Which type of junction forms a channel between cells for communication ?
Anonymous Poll
17%
Tight junctions
60%
Gap junctions
19%
Desmosomes
4%
Hemidesmosomes
❤4👍4🤩1
What is the name of the process by which cells ingest external materials?
Anonymous Poll
19%
Exocytosis
40%
Endocytosis
37%
Phagocytosis
4%
Pinocytosis
👍12
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Anonymous Poll
31%
Yes, I’m all set!
28%
Thinking about it 🤔
30%
Need more details 📚
11%
Already enrolled 🎉
👍2❤1
Which layer in a leaf contains the most chloroplasts?
Anonymous Poll
21%
Epidermis
46%
Palisade Mesophyll
20%
Spongy Mesophyll
13%
Vascular Bundle
👍5❤1
Which of the following is the primary organizer in early amphibian embryonic development ?
Anonymous Poll
38%
Spemann's Organizer
24%
Neural Crest Cells
23%
Hensen's Node
15%
Blastopore Lip
👍10❤2🔥1
In Drosophila, the gene responsible for establishing the anterior-posterior axis is:
Options :
Options :
Anonymous Poll
29%
Hunchback
48%
Bicoid
11%
Nanos
12%
Kruppel
👍10❤1🤩1
Which cycle is active in CAM plants during the night ?
Anonymous Poll
14%
Krebs cycle
34%
Calvin cycle
6%
Glycolysis
46%
C4 pathway
👍6
What is the inductive signal responsible for neural tube formation during neurulation ?
Anonymous Poll
34%
Bone Morphogenetic Protein (BMP)
26%
Sonic Hedgehog (Shh)
27%
Fibroblast Growth Factor (FGF)
14%
Wnt Signaling
👍8❤2
Which model organism is commonly used in developmental biology ?
Anonymous Poll
71%
Drosophila melanogaster
15%
Escherichia coli
7%
Saccharomyces cerevisiae
7%
Arabidopsis thaliana
🎉9
Which mechanism ensures left-right asymmetry in vertebrates?
Anonymous Poll
18%
Nodal cilia movement
13%
Apoptosis
52%
Sonic Hedgehog signaling
16%
Neural crest migration
👍5🥰3🎉2
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👍2
Which part of the embryo contributes to the formation of the amniotic sac in mammals ?
Anonymous Poll
17%
Epiblast
50%
Trophoblast
18%
Hypoblast
15%
Mesoderm
👍1
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In sea urchins, which protein regulates the primary mesenchyme cell migration ?
Anonymous Poll
22%
Integrins
41%
Cadherins
29%
Fibronectin
8%
Collagen
👍2🎉1
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❤1
Which structure is formed by convergent extension movements?
Anonymous Poll
36%
Primitive streak
32%
Neural crest
22%
Blastocoel
10%
Amniotic sac
🎉2
Which part of the blastocyst forms the embryo proper in mammals?
Anonymous Poll
45%
Inner cell mass
26%
Trophoblast
19%
Blastocoel
9%
Zona pellucida
👍26🎉3